| a. | 1. | (Phys. & Chem.) Pertaining to, connected with, produced by, or consisting of, molecules;
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| Adj. | 1. | molecular - relating to or produced by or consisting of molecules; "molecular structure"; "molecular oxygen"; "molecular weight is the sum of all the atoms in a molecul" |
| 2. | molecular - relating to simple or elementary organization; "proceed by more and more detailed analysis to the molecular facts of perception"--G.A. Miller Antonyms: molar - pertaining to large units of behavior; "such molar problems of personality as the ego functions"--R.R. Hunt |