adj
(video games, computer graphics) Halfway between two-dimensional and three-dimensional; typically limited to a two-dimensional plane with only limited access to the third dimension.
n
(by extension) Any self-reinforcing power structure, whether intentional or accidental, formal or informal.
n
(rare) A situation in which three people vie for the love of a fourth person.
adj
divided into eight parts
n
(mathematics, obsolete) An octonion.
n
The trigram located at the top (above the inner trigram) in a hexagram.
adj
Five-fold, or five-membered
n
(medicine) A QRS complex.
adj
Resembling a quad (quadrangular courtyard).
adj
Of or relating to four races.
n
A tetrad; a group of four.
adj
(grammar) Referring to four (or more) things; of, in or relating to the quadral grammatical number.
n
(rare) A relationship between four objects.
adj
(geometry) Of or relating to a quadrant, or included in the fourth part of a circle.
adj
Alternative spelling of quadripartite [Divided into four parts.]
n
(art) A painting painted on a wooden panel.
n
(art) An Italian genre of painting that used architectural elements to create illusions of perspective.
adj
Alternative form of quadrable [(mathematics) Of a plane figure, for which quadrature is possible.]
adj
(biology) Having four carinae.
n
(architecture) Synonym of tetrapylon
adj
(architecture) In the form of a quadrifrons.
adj
Of or pertaining to a quadriga (four horse team)
adj
(rare) Having or consisting of four hundred.
n
An area defended by four fortresses supporting each other.
n
Quadrille ruled graph paper, quad paper.
n
A treatise divided into four parts.
v
(transitive) To partition into four.
adj
In four rows or series.
n
(education) Synonym of quadrivium
adj
Having or pertaining to four valves.
adj
(mathematics) Having four variables.
n
Any of the four "liberal arts" making up the quadrivium.
adj
(obsolete, nonce word) Having four trifling meanings
n
Alternative form of quadrimer [(rare) tetramer]
adj
Of or relating to a system in telegraphy by which four messages (two in each direction) can be sent on one wire simultaneously.
adj
(obsolete, pathology) Relating to a quartan
adj
(mathematics) of or relating to the fourth degree
n
Alternative form of quadrinvariant [(mathematics) an invariant of degree 4]
adj
quaternate; composed of, or arranged in, sets of four.
adj
Occurring in fours, or having four elements.
adj
Divided into five parts
adj
Alternative spelling of quincuncial [Arranged in a quincunx.]
v
(transitive, mathematics) To divide (a quantity, angle etc.) into five equal parts.
n
The property of being quintocubital.
n
(countable) A quadrangle or court, as of a prison; a prison.
n
(photography, film, visual arts) A normative rule that an image should be mentally or representationally divided in three horizontally and diagonally, and that the focus of the image should not be in the center of the resulting shape.
n
(mathematics) The dot product of one of the three vectors with the cross product of the other two.
n
One of the portions of space bounded by the three coordinate planes.
n
Obsolete form of septfoil. [(architecture) A symmetrical shape which forms the overall outline of seven partially overlapping circles of the same diameter.]
n
(geometry) One sixth of a circle or disc; a sector with an angle of 60°.
adj
(geometry) Of or relating to a sextant.
adj
(obsolete) round; terete
adj
(arithmetic) Having three variables.
n
Any code whose elements may take one of three values
adj
Having 2:3 proportion.
n
Alternative form of tetradrachm [(historical, numismatics) A silver coin in Ancient Greece, equivalent to four drachms.]
n
Any of the 81 sets of solid lines (⚊ for Heaven), once-broken lines (⚋ for Earth) and twice-broken lines (𝌀 for Man) formed by combinations of four monograms (two digrams or bigrams, in other words) in the divination of the Taixuanjing.
n
Rare spelling of tetragram. [A group of four letters.]
adj
Of fourth rank or order.
n
Alternative spelling of Tri-Delt [(US, colloquial) A member of the Delta Delta Delta sorority.]
n
(systemics) The structure of systems composed with three interrelated objects.
n
The state or quality of having the shape of a triangle.
n
An arrangement of three objects arranged one behind the other.
adj
(mathematics) With three numerical digits.
n
(computer graphics) A set of triangles connected at a single point.
v
(Internet slang) To post three Unicode triangles (▲) arranged in this configuration, especially on 4chan, where doing this correctly was a sign of experience used to weed out newbies.
n
The state of being triform, or having a threefold shape.
n
Any of the eight combinations of three complete or broken lines forming half of a hexagram in Chinese system of divination I Ching.
adj
(mathematics) Relating to a trijection
n
(physics) Three jets of particles from an event or source.
n
(astronomy) a trinary star
n
A group of three things.
adj
Consisting of three names or parts or terms.
adj
Made up of three related elements, often matching
n
(electronics) The simplest form of frequency multiplier, that has an output frequency of three times the value of the input frequency.
n
A triangular chart showing the relationships between three variables.
n
(grammar) A noun which has three cases.
n
The three-tiered triple crown worn by popes.
n
(mathematics, physics) Synonym of dyad
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