Century Dictionary and Cyclopedia
- In geometry, pertaining to a tetragon; having four angles or sides.
- In botany and zoology, four-angled; having four longitudinal angles.
- Square; quartile.
- adj. Having four sides (as a tetragon); quadrilateral.
- adj. crystallography Having two equal axes and one unequal, and all angles 90°.
GNU Webster's 1913
- adj. (Geom.) Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are
- adj. (Bot.) Having four prominent longitudinal angles.
- adj. (Crystallog.) Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.
- adj. of or relating to or shaped like a quadrilateral
“Rutile is made up mostly of titanium dioxide with two rarer polymorphs anatase or octahedrite, which is a tetragonal mineral of pseudo-octahedral habit, and brookite, which is an orthorhombic mineral, the Doctor explained to her.”
“Such an organism would draw not a triangle-based color-wheel but a tetragonal color-sphere.”
“One of the most arresting pictures is Karl Benjamin's 1957 oil-on-linen "Small Planes: White, Blue, and Pink," whose multiple tetragonal shapes look like boxes that have been mounted, or spread, but simultaneously seem to float weightlessly on the picture plane.”
“The latter four minerals are polymorphs of quartz, meaning that they have the same chemical composition (silica), but different crystalline forms (tetragonal or monoclinic).”
“That means we came painfully close to possibly discovering the biggest Indiana Jones And The Kingdom Of The Crystal Skull spoiler of them all – whether the crystal skull is made of tetragonal ionic crystal or orthorhombic covalent crystal.”
“In the fourth house I find Jupiter in a decadence, as also in a tetragonal aspect to Saturn, associated with Mercury.”
“Having determined the identity in chemical composition of the crystals, it was thought that there might be a difference of form of the crystals in the various plants, from the fact that calcium oxalate crystallizes both in the tetragonal and the monoclinic systems.”
“It crystallises in the 3rd (tetragonal) system, with indistinct cleavage.”
“Though closely resembling the tetragonal torbernite in form, it crystallizes in the orthorhombic system and is optically biaxial.”
“The clumsy tetragonal pillars contract the already narrow space.”
These user-created lists contain the word ‘tetragonal’.
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List of terms used in the study and classification of pollen and spores - both fossil and modern.
A roster of adjectives that infrequently surface in typical conversation and writing. Many are dredged from scientific or other technical jargon or sieved from examples of disused archaic forms.
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