adj
(mineralogy) Lacking sharp, recognisable crystal faces.
adj
(crystallography) Having three unequal axes that intersect obliquely
adj
(metallurgy) Consisting of two metals.
n
The line bisecting the angle between the optic axes of a biaxial crystal.
n
(crystallography) A dome parallel to the shorter lateral axis.
n
(crystallography) A plane of an orthorhombic crystal which is parallel both to the vertical axis and to the shorter lateral (brachydiagonal) axis.
n
the diagonal axis that makes an oblique angle with the vertical axis in a monoclinic crystal
adj
(crystallography) That has a plane of symmetry but not an axis of symmetry
n
(crystallography) The plane in monoclinic crystals that is parallel to the vertical and the inclined lateral (clinidiagonal) axes.
adj
(crystallography) Possessing the qualities of a prism, obliquely inclined to a rhombic base; monoclinic.
n
A a corner of a crystal formed by the intersection of three or more faces at a point (in crystallography)
adj
(crystallography) Having three equal axes and all angles 90°.
adj
(crystallography) Having two of the intersections between the three axes oblique.
adj
(chiefly of a crystal) Having axes of approximately the same dimensions.
n
A twin crystal formed from five individuals
adj
(crystallography) gyroidal
adj
(crystallography) Having the planes arranged spirally, so that they all incline to the right (or left) of a vertical line; said of certain hemihedral forms.
adj
(of a crystal) Having only half the plane faces needed for the highest degree of symmetry in its system
n
(crystallography) hemihedral crystallization
n
The condition of being hemihedral
adj
Having the form of a hemihelix.
adj
(crystallography) Having the two ends (of an axis) modified with unlike planes.
adj
protonated at only half of the possible sites (typically, 1 of 2)
adj
Of a crystal: having one part in reverse position with reference to the other part; twinned.
adj
Half turned round; half inverted; (crystallography) having a twinned structure.
adj
(crystallography) hemitropal.
n
(crystallography) Twin composition in crystals.
n
Any interradial part, but especially the radius of a coelenterate halfway between two perradii
adj
(geometry) Having the same perimeter; applied to the problem of finding a plane figure of the largest possible area whose boundary has a specified length
adj
(graph theory) Of a planar graph: where each face is inscribable in a circle of common radius.
n
A dome parallel to the longer lateral axis of an orthorhombic crystal
n
(crystallography) One of the two planes of an orthorhombic crystal which are parallel to the vertical and longer lateral (macrodiagonal) axes.
n
(crystallography) A macroprism.
adj
(crystallography) monoclinic
adj
(crystallography) monosymmetric; monoclinic
adj
(crystallography) Having cleavage planes at right angles, as in orthoclase.
n
(crystallography) The diagonal or lateral axis in a monoclinic crystal which is at right angles with the vertical axis.
n
(crystallography) A dome that is parallel to the orthodiagonal in a monoclinic crystal.
adj
(crystallography) Having axes at right angles.
n
(crystallography) Either of the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.
adj
(crystallography) Having three unequal axes at right angles.
adj
(crystallography) Having two cleavages at right angles with one another.
n
(crystallography) The ratio of the three crystallographic axes which determines the position of any plane.
n
(crystallography) The face of a crystal parallel to two of the axes.
adj
(crystallography) Having an oblique spiral arrangement of planes, as in levogyrate and dextrogyrate crystals.
n
A crystal in which the faces are parallel to the vertical axis.
n
(crystallography) A pseudosymmetric axis
adj
Having some merohedral characteristics
n
(crystallography) The condition of being pseudomerohedral
adj
(crystallography, obsolete) Having three unequal axes at right angles.
adj
(geometry, crystallography) describing a structure that is almost rhombohedral
adj
(crystallography) Exhibiting pseudosymmetry.
adj
(crystallography) Having three equal axes and oblique angles.
n
A compound or twin crystal consisting of six individuals.
n
The formation of pellets into spheroids
adj
Synonym of subspherical
n
(crystallography) The numerical expression which defines a plane's position relative to the assumed axes.
adj
(crystallography) tesseral
adj
(physics) Of or relating to three gluons.
n
(crystallography) A twin crystal.
n
(crystallography) A series of planes having mutually parallel intersections.
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