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单词 amphigen
释义

amphigenn.1

/ˈæmfɪdʒɛn/
Etymology: < French amphigène, < Greek ἀμϕί on both sides, around + -γενή-ς born, < γεν- to produce: see -gen comb. form 1.
Bot.
A synonym of thallogen n., applied (after Brongniart) to those Cryptogams, which grow round a central point, including Seaweeds, Lichens, and Fungi.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > thallus > plant having or thallophyte
thallogen1846
thallophyte1854
amphigen1879
1879 New Sydenham Soc. Lexicon
This entry has not yet been fully updated (first published 1884; most recently modified version published online November 2010).

amphigenn.2

/ˈæmfɪdʒɛn/
Etymology: mod. < Greek ἀμϕί both + -gen comb. form 2, taken as = ‘producing.’
Chem. Obs.
Name given by Berzelius to an element capable of forming in combination with metals, both acids and bases. He included as amphigens, or amphigen bodies, oxygen, sulphur, selenium, and tellurium.
ΚΠ
1842 Proc. Am. Phil. Soc. II. 220 An amphide salt is one consisting of an acid and a base, each containing an amphigen body.
This entry has not yet been fully updated (first published 1884; most recently modified version published online November 2010).
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