2. (Bot.)

Defn: Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body. Henslow.

MACRO-CHEMISTRY
Mac`ro-chem"is*try, n. Etym: [Macro- + chemistry.] (Chem.)

Defn: The science which treats of the chemical properties, actions or relations of substances in quantity; — distinguished from micro- chemistry.

MACROCHIRES
Mac`ro*chi"res, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A division of birds including the swifts and humming birds. So called from the length of the distal part of the wing.

MACROCOSM
Mac"ro*cosm, n. Etym: [Macro- + Gr. macrocosme.]

Defn: The great world; that part of the universe which is exterior to man; — contrasted with microcosm, or man. See Microcosm.

MACROCOSMIC
Mac`ro*cos"mic, a.

Defn: Of or pertaining to the macrocosm. Tylor.