(a.) Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic.
(a.) Having a valence of four; quadrivalent; tetravalent; sometimes, in a specific sense, having four hydroxyl groups, whether acid or basic.
Example Sentences:
(1) A study was made of the proliferative capacity of myelokariocytes of the rat bone marrow after freezing and thawing under protection of the oxyetyl derivative of the tetratomic alcohol; experiments were conducted on mouse-rat radiation chimerae.
Triatomic
Definition:
(a.) Having three atoms; -- said of certain elements or radicals.
(a.) Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic.
Example Sentences:
(1) The triatomic gas, N2O, may be useful for ultrasonically disrupting cells without accompanying free radical formation.
(2) All dwellings had evidence of triatome infestation; 72% of the triatomes collected were positive for metacyclic trypanosomes.
(3) Stability of C1- and C2-cellulases, CX-exo- and CX-endoglucanases and beta-glucosidase of Aspergillus awamori was studied as affected by monoatomic aliphatic alcohols --methanol, ethanol, propanol and isopropanol; bi- and triatomic alcohols - ethylene glycol and glycerol, urea as well as detergents of dodecyl sulphate and sodium nonilate.
(4) Hydrogen cyanide is linear triatomic molecule able to serve as a surrogate for carbon dioxide at the enzyme active site.
(5) All 40 houses in the village were examined for triatomes, and house construction materials and defects were recorded.
(6) This is consistent with the view that uncharged triatomic molecules can penetrate the protein matrix to some extent.