Defn: Having numerous facets; — said of the compound eyes of insects and crustaceans.
POLYMER
Pol"y*mer, n. Etym: [See Polymeric.] (Chem.)
Defn: Any one of two or more substances related to each other by polymerism; specifically, a substance produced from another substance by chemical polymerization. [Formerly also written polymere.]
POLYMERIC
Pol`y*mer"ic, a. Etym: [Poly- + Gr. (Chem.)
Defn: Having the same percentage composition (that is, having the same elements united in the same proportion by weight), but different molecular weights; — often used with with; thus, cyanic acid (CNOH), fulminic acid (C2N2O2H2), and cyanuric acid (C3N3O3H3), are polymeric with each other.
Note: The figures expressing the number of atoms of each element in a number of polymeric substances are respectively multiples and factors of each other, or have some simple common divisor. The relation may be merely a numerical one, as in the example given above, or a chemical one, as in the case of aldehyde, paraldehyde, and metaldehyde.
POLYMERISM Po*lym"er*ism, n. (Chem.) (a) The state, quality, or relation of two or more polymeric substances. (b) The act or process of forming polymers.
POLYMERIZATION
Pol`y*mer`i*za"tion, n. (Chem.)
Defn: The act or process of changing to a polymeric form; the condition resulting from such change.
POLYMERIZE
Pol"y*mer*ize, v. t. (Chem.)