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Volvox

Definitions

  • WordNet 3.6
    • n Volvox type genus of the Volvocaceae; minute pale green flagellates occurring in tiny spherical colonies; minute flagella rotate the colony about an axis
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Webster's Revised Unabridged Dictionary
    • n Volvox (Bot) A genus of minute, pale-green, globular, organisms, about one fiftieth of an inch in diameter, found rolling through water, the motion being produced by minute colorless cilia. It has been considered as belonging to the flagellate Infusoria, but is now referred to the vegetable kingdom, and each globule is considered a colony of many individuals. The commonest species is Volvox globator, often called globe animalcule.
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Century Dictionary and Cyclopedia
    • n volvox A small genus of fresh-water algæ, of the order Volrocineæ and class Cœnobieæ. It has a spherical cœnobium of a pale-green color, which is constantly rotating and changing place, looking like a hollow globe, composed of numerous cells (sometimes as many as twelve thousand) arranged on the periphery at regular distances, and connected by the matrical gelatin. It is furnished with a red lateral spot, contractile vacuoles, and two long-ex-serted cilia. Propagation is both sexual and non-sexual. V. globator, the best-known species, is not uncommon in clear pools, ponds, etc. It was long regarded as an infu sorial animalcule.
    • n volvox [lowercase] A member of the above genus: as, the globate volvox.
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Chambers's Twentieth Century Dictionary
    • n Volvox vol′voks a genus of simple organisms found in ponds, canals, &c., being fresh-water algæ, consisting of green flagellate cells, united by protoplasmic bridges in a hollow spherical colony.
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Etymology

Chambers's Twentieth Century Dictionary
Formed from L. volvĕre, to roll.

Usage

In literature:

Still Volvox betrays himself.
"Impressions of Theophrastus Such" by George Eliot
Another example of conjugation is that of Pandorina, an alga allied to the well-known volvox.
"Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886" by Various
Volvox is also a spheroidal organism, composed often of a very large number of flagellated cells.
"The Whence and the Whither of Man" by John Mason Tyler
From the monad nature passes to the Volvox, Proteus (Amoeba), and Vibrio.
"Lamarck, the Founder of Evolution" by Alpheus Spring Packard
Volvox, Polypus, Taenia, Oysters, Corals, are without Sex 83.
"The Temple of Nature; or, the Origin of Society" by Erasmus Darwin
Examine a specimen of Volvox.
"A Guide for the Study of Animals" by Worrallo Whitney
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