English English Dictionary

The zygodactylous birds. In a restricted sense applied to a division of birds which includes the barbets, toucans, honey guides, and other related birds.

Any zygodactylous bird.

Same as Scansores.

Alt. of Zygodactylous

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.

The jugal, malar, or cheek bone.

The zygomatic process of the temporal bone.

The whole zygomatic arch.

Of, pertaining to, or in the region of, the zygoma.

Alt. of Zygomorphous

Symmetrical bilaterally; -- said of organisms, or parts of organisms, capable of division into two symmetrical halves only in a single plane.

Same as Conjugation.

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.

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.

Same as Zygosperm.

A spore formed by the union of several zoospores; -- called also zygozoospore.

Celluloid.

A soluble ferment, or enzyme. See Enzyme.

A ferment.

The morbific principle of a zymotic disease.