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  • English Word Zumometer Definition See Zymic, Zymological, etc.
  • English Word Zunyite Definition A fluosilicate of alumina occurring in tetrahedral crystals at the Zu/i mine in Colorado.
  • English Word Zwanziger Definition An Austrian silver coin equivalent to 20 kreutzers, or about 10 cents.
  • English Word Zygantra Definition of Zygantrum
  • English Word Zygantrum Definition See under Zygosphene.
  • English Word Zygapophyses Definition of Zygapophysis
  • English Word Zygapophysis Definition One of the articular processes of a vertebra, of which there are usually four, two anterior and two posterior. See under Vertebra.
  • English Word Zygenid Definition Any one of numerous species of moths of the family Zygaenidae, most of which are bright colored. The wood nymph and the vine forester are examples. Also used adjectively.
  • English Word Zygobranchia Definition A division of marine gastropods in which the gills are developed on both sides of the body and the renal organs are also paired. The abalone (Haliotis) and the keyhole limpet (Fissurella) are examples.
  • English Word Zygobranchiate Definition Of or pertaining to the Zygobranchia.
  • English Word Zygodactyl Definition Alt. of Zygodactyle
  • English Word Zygodactylae Definition The zygodactylous birds. In a restricted sense applied to a division of birds which includes the barbets, toucans, honey guides, and other related birds.
  • English Word Zygodactyle Definition Any zygodactylous bird.
  • English Word Zygodactyli Definition Same as Scansores.
  • English Word Zygodactylic Definition Alt. of Zygodactylous
  • English Word Zygodactylous Definition Yoke-footed; having the toes disposed in pairs; -- applied to birds which have two toes before and two behind, as the parrot, cuckoo, woodpecker, etc.
  • English Word Zygoma Definition The jugal, malar, or cheek bone.
  • English Word Zygoma Definition The zygomatic process of the temporal bone.
  • English Word Zygoma Definition The whole zygomatic arch.
  • English Word Zygomatic Definition Of, pertaining to, or in the region of, the zygoma.
  • English Word Zygomorphic Definition Alt. of Zygomorphous
  • English Word Zygomorphous Definition Symmetrical bilaterally; -- said of organisms, or parts of organisms, capable of division into two symmetrical halves only in a single plane.
  • English Word Zygosis Definition Same as Conjugation.
  • English Word Zygosperm Definition A spore formed by the union of the contents of two similar cells, either of the same or of distinct individual plants. Zygosperms are found in certain orders of algae and fungi.
  • English Word Zygosphene Definition A median process on the front part of the neural arch of the vertebrae of most snakes and some lizards, which fits into a fossa, called the zygantrum, on the back part of the arch in front.
  • English Word Zygospore Definition Same as Zygosperm.
  • English Word Zygospore Definition A spore formed by the union of several zoospores; -- called also zygozoospore.
  • English Word Zylonite Definition Celluloid.
  • English Word Zymase Definition A soluble ferment, or enzyme. See Enzyme.
  • English Word Zyme Definition A ferment.