AMPHIDISC
Am"phi*disc, n. Etym: [Gr. (Zoöl.)
Defn: A peculiar small siliceous spicule having a denticulated wheel at each end; — found in freshwater sponges.
AMPHIDROMICAL
Am`phi*drom"ic*al, a. Etym: [Gr.
Defn: Pertaining to an Attic festival at the naming of a child; — so called because the friends of the parents carried the child around the hearth and then named it.
AMPHIGAMOUS
Am*phig"a*mous, a. Etym: [Gr. (Bot.)
Defn: Having a structure entirely cellular, and no distinct sexual organs; — a term applied by De Candolle to the lowest order of plants.
AMPHIGEAN
Am`phi*ge"an, a. Etym: [Gr.
Defn: Extending over all the zones, from the tropics to the polar zones inclusive.
AMPHIGEN
Am"phi*gen, n. Etym: [Gr. -gen: cf. F. amphigène.] (Chem.)
Defn: An element that in combination produces amphid salt; — applied by Berzelius to oxygen, sulphur, selenium, and tellurium. [R.]