TETRAZIN
Tet*raz"ine, n. Also -in. [Tetrazo- + -ine.] (Chem.)
Definition: A hypothetical compound, C2H2N4 which may be regarded as benzene with four CH groups replaced by nitrogen atoms; also, any of various derivatives of the same. There are three isomeric varieties.
Source: Webster’s Unabridged Dictionary 1913 Edition
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2 June 2025
FOOTING
(noun) status with respect to the relations between people or groups; “on good terms with her in-laws”; “on a friendly footing”
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