Definition of Tetract

1. a sponge spicule [n -S]



Tetract Pictures

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Lexicographical Neighbors of Tetract

tetrachromats
tetracid
tetracids
tetracoccous
tetracoccus
tetracola
tetracolon
tetracontane
tetracoordinate
tetracoralla
tetracosactide
tetracosane
tetracosanes
tetracritical
tetracrotic
tetract (current term)
tetractinellid
tetractinellida
tetractinellids
tetracts
tetracuspid
tetracyano
tetracyanocuprate
tetracyanoethylene
tetracycle
tetracycles
tetracyclic
tetracyclin
tetracycline
tetracycline 5a(11a)dehydrogenase

Literary usage of Tetract

Below you will find example usage of this term as found in modern and/or classical literature:

1. Roget's Thesaurus of English Words and Phrases: Classified and Arranged So by Peter Mark Roget (1911)
"... quartet, quaternion, square, quarter; tetract, tetragon. quad-rangle, -rature, ... -ernal; quadratic; quartile; tetract, -ic, -inal; tetrad, tetragonal. ..."

2. Experimental Psychology: A Manual of Laboratory Practice by Edward Bradford Titchener, ( (1901)
"This procedure is continued until the whole parallelogram has been stamped over, with the exception of the small tetract surfaces left between the circles. ..."

3. A Complete Collection of State Trials and Proceedings for High Treason and ...by Thomas Bayly Howell by Thomas Bayly Howell (1817)
"... morning : and I warn you to appear, and to tetract in the manner in which you have been directed. If you neglect to appear, or refus< to retract, ..."

4. Heat Considered as a Mode of Motion by John Tyndall (1870)
"... the reader's attention to an •tetract of Count Rumford's memoir on the Generation of Heat by Friction, contained in the Appendix to this lecture. ..."

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