'CH' definitions:

Definition of 'CH'

From: GCIDE
  • Tetrazine \Tet*raz"ine\, n. Also -in \-in\ . [Tetrazo- + -ine.] (Chem.) 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. [Webster 1913 Suppl.]

Definition of 'CH'

From: GCIDE
  • Tetrazole \Tet*raz"ole\, n. [Tetrazo- + -ole.] (Org. Chem.) A crystalline acid substance, CH2N4, which may be regarded as pyrrol in which nitrogen atoms replace three CH groups; also, any of various derivatives of the same. [Webster 1913 Suppl.]

Definition of 'CH'

From: GCIDE
  • Methenyl \Meth"e*nyl\, n. [Methene + -yl.] (Chem.) The hypothetical hydrocarbon radical CH, regarded as an essential residue of certain organic compounds. [1913 Webster]