METADISCOIDAL
Met`a*dis*coid"al, a. Etym: [Meta- + discoidal.] (Anat.)
Defn: Discoidal by derivation; — applied especially to the placenta of man and apes, because it is supposed to have been derived from a diffused placenta.
METAGASTRIC
Met`a*gas"tric, a. Etym: [Pref. meta- + gastric.] (Zoöl.)
Defn: Of or pertaining to the two posterior gastric lobes of the carapace of crabs.
METAGE
Met"age (; 48), n. Etym: [From Mete, v.]
1. Measurement, especially of coal. De Foe.
2. Charge for, or price of, measuring. Simmonds.
METAGENESIS
Met`a*gen"e*sis, n. Etym: [Pref. meta- + genesis.]
1. (Biol.)
Defn: The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to monogenesis. See Alternate generation, under Generation.