n
An instrument whose calibration can be determined by means of physical measurements on the instrument.
n
(military) An apparatus for studying the combustion of powder in guns, etc.
n
A magnetometer carried on an aircraft in order to measure the Earth's magnetic field
n
A device attached to a steam boiler to indicate excessive steam pressure or insufficient water.
n
(nonstandard and now largely obsolete) Alternative form of altimeter [An apparatus for measuring altitude.]
n
(nonstandard and now obsolete) Alternative form of ammeter [A device that measures the magnitude of an electric current, especially one calibrated in amperes.]
n
(US) an instrument for the analysis of something
n
An instrument for measuring exterior angles.
n
(physics) Any of several devices that permit apodization of an optical or electrical signal
n
An instrument designed to measure the brightness, relation, or apparent magnitude of stars.
n
An optical device that splits a beam of light in two by reflecting a portion and transmitting the remainder.
n
A hydrometer scale on which the zero point corresponds to a specific gravity of 1.00, and the 30° point to a specific gravity of 0.85. From these points the scale is extended both ways, all the degrees being of equal length.
n
Alternative form of Brannock device [A hand tool of a particular kind, used to measure a foot's length, heel-to-ball length, and width.]
n
A type of precision compass commonly used by geoscientists.
n
A person or device that calibrates.
n
A device used to measure dimensions, especially for small or precise measurements.
n
(UK) Alternative spelling of calipers [A device used to measure dimensions, especially for small or precise measurements.]
v
(firearms) To make an accurate measurement of the speed of a projectile.
n
(nonstandard and now largely obsolete) Alternative form of chronometer [A device for measuring time, such as a watch or clock.]
n
An optical instrument used to measure very small time intervals with precision.
n
An measuring tool that records the deviation of boreholes or the like from the vertical.
n
Any device for comparing a physical property of two objects, or an object with a standard.
n
A delicate level pivoted so as to tilt when two parts of a measuring apparatus come into contact with each other; used in precise determinations of lengths and in the accurate graduation of instruments.
n
A measure of the rate of flow of fluid, especially through a pipeline, equal to one cubic metre per second (m³/s).
n
A part of any of several scientific or measuring instruments that moves back and forth to indicate a position.
n
A device, designed to be mounted on the handlebar of a bicycle, that displays trip information.
n
An apparatus to assist in locating the centre of a cyclone.
n
Any sonde that collects, stores and transmits data
n
An instrument for measuring deformations in a structure.
n
A perambulator which records distances and delineates a profile, as of a road.
n
A device using echo sounding to measure the depth of a body of water
n
A graduated, circular scale over which a needle moves to show a measurement (such as speed).
n
(slang) A scale (weighing device) with a digital readout.
n
A weight and volume measuring device or machine for measuring three-dimensional or cuboidal objects such as parcels, cartons or boxes.
n
A stick or rod used to measure the depth of a liquid. Often used to check the level at which a liquid in an opaque or inaccessible tank or reservoir stands; gauge.
n
A device resembling a drawing compass and used to transfer measurements of length.
n
(historical) An instrument for graduating the scales of scientific apparatus.
n
An optical device, with a telescope and reticle, used to improve dead reckoning in aircraft navigation.
n
(meteorology) Temperature of the free air as measured with a dry thermometer on a sling psychrometer over a grassy surface at a height of approximately 6 feet (1.8 meters).
n
(physics) An echelle grating.
n
(historical) A device for measuring eclipses.
n
A domestic electricity meter
n
(photography) An instrument that measures the intensity of the light reflected from or falling on a subject, and calculates the optimum exposure depending on the film speed.
n
A device for holding a film badge which acts not only as a holder, but also as a spectrum analyser, to allow determination of the dose in sieverts.
n
A precision-ground template used for the calibration of mechanical measuring devices.
n
A surveyor's instrument for measuring angles.
n
An instrument composed of a gyroscope mounted to a theodolite.
v
(transitive) To send a message by heliograph.
n
An astronomical instrument, based on a telescope, for measuring the diameter of the sun; now used to measure the angular distance between stars and other celestial bodies.
n
(physics) A device, consisting of multiple detectors, that is used to track the path of cosmic rays and other subatomic particles
n
A surveying instrument that measures angles of inclination or elevation; a clinometer.
n
(dated) pressure volume diagram
n
A measuring or displaying device.
n
On a vehicle, dashboard gauges monitoring engine functions and performance, along with other essential functions.
n
A form of theodolite used to track the movement of an aircraft or missile
n
A level, or levelling instrument.
n
(instrumentation) The component of such a system that gathers the required data, comprising an interconnected network of electric field change sensors that measure the time of arrival of electric field pulses from the strokes in a lightning flash. Two-dimensional maps require three such sensors, and three-dimensional maps require four.
n
A rod used by excisemen for measuring the depth of liquid in a cask.
n
A device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source.
n
An empirical formula estimating the average velocity of a liquid flowing in a conduit that does not completely enclose the liquid, i.e. an open channel.
n
A timepiece used as a portable time standard at sea so as to enable the determining of longitude by means of celestial navigation.
n
(medicine) A substance added to food to allow the measurement of how quickly it passes through the segments of the digestive tract.
n
An instrument for determining longitude by observation of the stars.
n
A barometer which indicates the atmospheric pressure by measuring the height of a column of mercury in a vertical, evacuated tube.
n
A measure of fineness of a mesh: the numerical value indicates the number of openings per linear inch. The smaller the mesh number, the larger particles can pass through the mesh.
n
An apparatus that automatically transmits atmospheric measurements to a central station.
n
A ruler that measures one meter.
adj
Fitted with a meter, such as a gas meter, parking meter, etc.
n
A man whose occupation is to read and adjust meters.
n
(obsolete) A measuring rod (in both its literal and figurative sense).
n
(historical) A pocket instrument combining a thermometer, level, plummet, and lens.
n
Alternative form of metewand [(obsolete) A measuring rod (in both its literal and figurative sense).]
n
An optical interferometer that uses a beam splitter to split a light source into two arms, each of which is reflected back toward the beam splitter which then combines their amplitudes using the superposition principle. The resulting interference pattern is typically directed to a photoelectric detector or camera.
n
(physics) A very small, highly reflective mirror, often supported on a torsion beam, used in a variety of applications and in research on radiation and quantum effects.
n
An odometer graduated in miles.
n
A device for taking photographs of clouds.
n
(nautical) An instrument for measuring angles, particularly of elevation.
n
A wheel used by surveyors, which registers distance traveled.
n
A device for measuring the length of curved lines, such as on a map.
n
A device for recording vibrations.
n
An instrument for measuring angles for determining elevations, distances, etc.
n
A kind of gauge for measuring the exhaustion of an air-pump receiver.
n
(electronics) The measured value when no input signal is given.
n
An instrument for determining the extent and shape of the field of vision.
n
(physics) An instrument for recording very short intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.
n
Any of several directional surveying instruments which record photographically the direction and magnitude of well deviations from the vertical.
n
A photographic method of manufacturing integrated circuits in which a pattern is placed over a semiconductor in an etching solution and exposed to light
n
(historical) A double-lens instrument for measuring slight variations of the Sun's diameter by photography, based on the common chord of two overlapping images.
n
A transparent quartz block marked with many high-resolution images; a series of them are used in the photolithography of integrated circuits, one for each layer
n
An integrating device used to measure the area of an irregular figure via tracing its outline.
n
A flat, metal plate used for estimating the flatness of a machined part; a surface plate.
adj
Used for exact or precise measurement.
n
(aviation) A device which measures the altitude by performing measurement of the ambient pressure and comparing it against a reference pressure at a known altitude, to give a pressure altitude.
n
A device designed to measure the profile, and hence the roughness, of a surface.
n
A small conductor attached to an insulated handle used to transfer electrical charge to a measuring instrument.
n
(sciences) A measurement of one physical quantity that is used as an indicator of the value of another
n
an instrument used to measure the Q factor of an electric circuit at radio frequencies
n
(historical) A device whose readings, when coordinated from several sites, can be used to determine the exact position of an atomic blast.
n
A device that measures radiant energy.
n
A value indicated by a measuring device.
n
Any instrument that interrupts an electric current.
n
A kind of weighing scale with two identical horizontal beams attached, one directly above the other, to a vertical column.
n
A device for measuring the amount of india rubber needed to make a given article.
n
length of one meter of a product that is sold by meter, such as fabric or board
adj
(chiefly as postmodifier) Measured on the Réaumur scale.
n
An indicator used to measure the strength of the radio signal, often provided on communications receivers.
n
An accurately balanced lever-scale for weighing very light objects.
n
A device that takes samples.
n
An instrument for measuring the passage of time by the passage of sand through a narrow opening.
n
A device for measuring weight.
n
Alternative form of Secchi disk [A circular disk used to measure water transparency (and thus turbidity)]
n
An instrument consisting of a number of perforated gauges fastened together at one end by a rivet, used for measuring the size of pearls
n
(physical sciences) Any of various devices for testing physical conditions, often for remote or underwater locations.
n
(physics, astronomy) An instrument that measures the vectors and velocities of the magnetic fields on the surface of the sun.
n
(informal) A speedometer, particularly one in a race car or other automobile.
n
A device for measuring weight or force by the elasticity of a spiral spring.
n
A wheel used for measuring, by its motion when submerged, the velocity of flowing water.
n
(US) Alternative form of stream gauge [A device that measures and records the depth and flow of a river or similar stream]
n
A utility meter, especially for electricity, that allows for the monitoring of usage on a portion of a distribution network, especially not owned by a utility, past a main meter.
n
A scale in which the platform hangs suspended from the weighing apparatus instead of resting upon it.
n
Clipping of tachograph. [A device that records the distance and time traveled by a vehicle (especially a truck or coach), used to check the drivers' working time.]
n
A sphericity-measuring device, originally a trade name from Taylor Hobson.
n
A graduated flexible ribbon used for measuring lengths.
n
Any measuring device used in telemetry.
n
An electronic device, equipped with sensors, that accurately measures the finish times in a horse race.
n
a handheld non-contact thermometer shaped roughly like a handgun
n
A gauge for showing the height of the tide, particularly one continuously updated.
n
An instrument for measuring the torsion of the crankshaft of an engine.
n
A unit (symbol Td) of conventional retinal illuminance, intended as a means of correcting photometric measurements of luminance values impinging on the human eye by scaling them by the effective pupil size.
n
(chiefly Britain) Alternative spelling of tire-pressure gauge [(US, Canada) a tire gauge]
n
Abbreviation of variometer. [An instrument used to measure variations in a magnetic field.]
n
A compass of delicate construction, used in observations on the variations of the needle.
n
A kind of variometer (magnetic instrument) constructed with two coils of wire that are connected not to each other but to separate circuits, so as to function as an air core RF transformer with variable coupling.
n
A secondary scale with finer graduations than the primary scale of a measuring device; the vernier measures between graduations of the larger scale.
n
A type of sliding calipers for measuring the external or internal dimensions of objects, using the vernier scale for improved precision.
n
(computing, chiefly demoscene) Any animated graphical representation of the volume of sound or music (often subdivided across channels).
n
(humorous) A notional device that measures wackiness.
n
(electronics) An instrument which measures radio (and other electromagnetic) wavelengths
n
An instrument for measuring distance travelled; an odometer, pedometer, or perambulator.
n
Synonym of scales (“device for measuring weight”)
n
A device that continuously weighs material passing on a conveyor belt
n
The science and regulation of standards for the quantification of size, weight, temperature, etc.
n
(meteorology) The temperature read by a thermometer covered in water-soaked (water at ambient temperature) cloth over which air is passed.
n
Alternative form of wet bulb temperature [(meteorology) The temperature read by a thermometer covered in water-soaked (water at ambient temperature) cloth over which air is passed.]
n
A surveyor's instrument for measuring differences of level by means of a telescope resting in a Y-shaped support.
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