• A wheel animalcule
    A wheel animalcule
  • WordNet 3.6
    • n animalcule microscopic organism such as an amoeba or paramecium
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Webster's Revised Unabridged Dictionary
    • Animalcule A small animal, as a fly, spider, etc.
    • Animalcule (Zoöl) An animal, invisible, or nearly so, to the naked eye. See Infusoria.
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Century Dictionary and Cyclopedia
    • n animalcule Any little animal, as a mouse, insect, etc.
    • n animalcule A minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer; an animalculum: as, the bell-animalcule, a ciliate infusorian of the family Vorticellidæ; wheel-animalcule, a rotifer; bear-animalcule, a minute arachnidan of the order Arctisca. See cuts under Arctisca, Rotifera, and Vorticella.
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Chambers's Twentieth Century Dictionary
    • n Animalcule an-im-al′kūl a small animal, esp. one that cannot be seen by the naked eye
    • ***


Webster's Revised Unabridged Dictionary
As if fr. a L. animalculum, dim. of animal,
Chambers's Twentieth Century Dictionary
L. animalculum, dim. of Animal.


In literature:

I was amazed to see no trace of animalculous life.
"The Diamond Lens" by Fitz-James O'brien
I was amazed to see no trace of animalculous life.
"Masterpieces of Mystery In Four Volumes" by Various
All that is necessary is that seminal animalcules enter the womb and unite there with the egg or ovum.
"Searchlights on Health: Light on Dark Corners" by B.G. Jefferis
The newborn animalcule amazes us with its foresight; the adult insect astonishes us with its stupidity.
"The Glow-Worm and Other Beetles" by Jean Henri Fabre
Most of these animalcules, however, are so small that if it were not for the microscope we should never know of their existence.
"Foot-prints of Travel" by Maturin M. Ballou
"Notes and Queries, Number 217, December 24, 1853" by Various
In the light of such a role the animalcule takes on a new interest.
"A History of Science, Volume 5(of 5)" by Henry Smith Williams
The lowest plant, or animalcule, feeds, grows, and reproduces its kind.
"The Voice of Science in Nineteenth-Century Literature" by Various
Blood-like waters are sometimes produced by a rapid evolution of infusorial animalcules.
"The Romance of Natural History, Second Series" by Philip Henry Gosse
Some marine animalcules, the Radiolaria, have skeletons of silica.
"The Geological Story of the Isle of Wight" by J. Cecil Hughes
THOUGHTS ON ANIMALCULES; or, The Invisible World, as revealed by the Microscope.
"The Descent of Man and Selection in Relation to Sex, Vol. I (1st edition)" by Charles Darwin
She discovered one of those animalcules which ... plague take oratorical precautions!
"Six Women and the Invasion" by Gabrielle Yerta
They are lodged in the seminal animalcules, cries one.
"A Philosophical Dictionary, Volume 9 (of 10)" by François-Marie Arouet (AKA Voltaire)
Upon coasts occupied by the corallines, the reef-building animalcule does not work near the mouth of rivers.
"Man and Nature" by George P. Marsh
Microscopic experiments daily demonstrate the existence of myriads of animalcules in every substance.
"Curiosities of Medical Experience" by J. G. (John Gideon) Millingen
The name arose from the procedure adopted by the older microscopists to obtain animalcules.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 5" by Various
Animalcule (minute animal), 49.
"Stories of the Universe: Animal Life" by B. Lindsay
Probably either the Wheel Animalcules or the Ringed worms are their nearest blood relations in the Worm tribe.
"The History of Creation, Vol. II (of 2)" by Ernst Haeckel
Let us now look at another animal, the stentor, or trumpet-animalcule.
"The Catholic World. Volume III; Numbers 1, 2, 3, 4, 5, 6." by E. Rameur
These wheel animalcules may be studied alive by the class.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg

In poetry:

An animalcule in my blood
Rose up against me as I dreamed,
He was so tiny as he stood,
You had not heard him, though he screamed.
"The Animalcule On Man" by Richard Le Gallienne

In news:

Anton van Leeuwenhoek writes a letter to Britain's Royal Society describing the "animalcules" he observed under the microscope.