cyclic GMP n.
A cyclic nucleotide of guanosine that acts at the cellular level as a regulator of various metabolic processes, possibly as an antagonist to cyclic AMP.
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a stew of meat, vegetables, potatoes, etc. |