Zygobranchia
‖Zyg′o‐bran″chi‐a (?), n. pl. [NL., from Gr. ζυγόν a yoke + � a gill.] (Zoöl.) A division of marine gastropods in which the gills are developed on both sides of the body and the...
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.
359 entries
‖Zyg′o‐bran″chi‐a (?), n. pl. [NL., from Gr. ζυγόν a yoke + � a gill.] (Zoöl.) A division of marine gastropods in which the gills are developed on both sides of the body and the...
Zyg′o‐bran″chi‐ate (?), a.(Zoöl.) Of or pertaining to the Zygobranchia.
{ Zyg′o‐dac″tyl, Zyg′o‐dac″tyle } (?), n. [See Zygodactylic.] (Zoöl.) Any zygodactylous bird.
‖Zyg′o‐dac″ty‐læ (?), n. pl.(Zoöl.) The zygodactylous birds. In a restricted sense applied to a division of birds which includes the barbets, toucans, honey guides, and other re...
‖Zyg′o‐dac″ty‐li (?), n. pl.(Zoöl.) Same as Scansores.
{ Zyg′o‐dac″ty‐lic (?), Zyg′o‐dac″tyl‐ous (?; 277), } a. [Gr. ζυγόν a yoke, pair + � finger, toe: cf. F. zygodactyle.] (Zoöl.) Yoke-footed; having the toes disposed in pairs; — ...
‖Zy‐go″ma (?), n. [NL., fr. Gr. �, fr. � to yoke, ζυγόν a yoke.] (Anat.) (a) The jugal, malar, or cheek bone. (b) The zygomatic process of the temporal bone. (c) The whole zygom...
Zyg′o‐mat″ic (?; 277), a. [Cf. F. zygomatique.] (Anat.) Of, pertaining to, or in the region of, the zygoma.Zygomatic arch, the arch of bone beneath the orbit, formed in most mam...
{ Zyg′o‐mor″phic (?), Zyg′o‐mor″phous (?), } a. [Gr. ζυγόν a yoke + � form.] (Biol.) Symmetrical bilaterally; — said of organisms, or parts of organisms, capable of division int...
Zyg″o‐phyte (?), n. [Gr. ζυγόν a yoke + φυτόν a plant.] (Bot.) Any plant of a proposed class or grand division (Zygophytes, Zygophyta, or Zygosporeæ), in which reproduction cons...
‖Zy‐go″sis (?), n. [NL., fr. Gr. � balancing, fr. ζυγόν yoke.] (Biol.) Same as Conjugation.
Zyg″o‐sperm (?), n. [Gr. ζυγόν a yoke + E. sperm.] (Bot.) A spore formed by the union of the contents of two similar cells, either of the same or of distinct individual plants. ...
Zyg″o‐sphene (?), n. [Gr. ζυγόν a yoke + � a wedge.] (Anat.) A median process on the front part of the neural arch of the vertebræ of most snakes and some lizards, which fits in...
Zyg″o‐spore (?), n. [Gr. ζυγόν a yoke + E. spore.] (Bot.) (a) Same as Zygosperm. (b) A spore formed by the union of several zoöspores; — called also zygozoöspore.
Zy″lon‐ite (?), n. Celluloid.
Zym″ase (?), n. [From Zyme.] (Physiol. Chem.) A soluble ferment, or enzyme. See Enzyme.
Zyme (?), n.1. A ferment.2. (Med.) The morbific principle of a zymotic disease. Quain.
Zym″ic (?), a.(Old Chem.) Pertaining to, or produced by, fermentation; — formerly, by confusion, used to designate lactic acid.
Zym″o‐gen (?), n. [Zyme + -gen.] (Physiol. Chem.) A mother substance, or antecedent, of an enzyme or chemical ferment; — applied to such substances as, not being themselves actu...
Zym″o‐gene (?), n. [Zyme + root of Gr. � to be born.] (Biol.) One of a physiological group of globular bacteria which produces fermentations of diverse nature; — distinguished f...
Zym′o‐gen″ic (?), a.(Biol.) (a) Pertaining to, or formed by, a zymogene. (b) Capable of producing a definite zymogen or ferment.Zymogenic organism(Biol.), a microörganism, such ...
{ Zy′mo‐log″ic (?), Zy′mo‐log″ic‐al (?), } a. [Cf. F. zymologique.] Of or pertaining to zymology.
Zy‐mol″o‐gist (?), n. One who is skilled in zymology, or in the fermentation of liquors.
Zy‐mol″o‐gy (?), n. [Zyme + -logy: cf. F. zymologie.] A treatise on the fermentation of liquors, or the doctrine of fermentation. [Written also zumology.]
‖Zy‐mol″y‐sis (?), n. [NL. See Zyme, and Lysis.] (Physiol. Chem.) The action of enzymes; also, the changes produced by such action. — Zy′mo‐lyt″ic (#), a.
Zy″mome (?), n.(Old Chem.) A glutinous substance, insoluble in alcohol, resembling legumin; — now called vegetable fibrin, vegetable albumin, or gluten casein.
{ Zy‐mom″e‐ter (?), Zy′mo‐sim″e‐ter (?), } n. [Gr. � ferment, or � fermentation + -meter: cf. F. zymosimètre.] An instrument for ascertaining the degree of fermentation occasion...