• WordNet 3.6
    • adj protozoan of or relating to the Protozoa
    • n protozoan any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
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Webster's Revised Unabridged Dictionary
    • a Protozoan (Zoöl) Of or pertaining to the Protozoa.
    • ***
Century Dictionary and Cyclopedia
    • protozoan First, lowest, simplest, or most primitive, as an animal; of or pertaining to the Protozoa.
    • n protozoan A member of the Protozoa; a protozoön.
    • ***


In literature:

Of almost equal value have been the researches upon the protozoan forms of animal life, as causes of disease.
"The Evolution of Modern Medicine" by William Osler
This was fortunate since a few days later two people died from a protozoan infection.
"Corpus of a Siam Mosquito" by Steven Sills
Naturally in the early protozoan colonies, and in forms like hydra, these functions predominated.
"The Whence and the Whither of Man" by John Mason Tyler
Although the algae are useful guests, when they become too numerous the protozoan devours them.
"Disease and Its Causes" by William Thomas Councilman
Inside this snail's gut there is a protozoan that lives off the snail's ingested food.
"Planet of the Damned" by Harry Harrison
Horses, sheep, dogs, and other animals are also affected with diseases caused by the same group of Protozoan parasites.
"Insects and Diseases" by Rennie W. Doane
It is generally believed that the organism is a Protozoan.
"Handbook of Medical Entomology" by William Albert Riley
How do they differ from other protozoans?
"A Guide for the Study of Animals" by Worrallo Whitney
Inside this snail's gut there is a protozoan that lives off the snail's ingested food.
"Sense of Obligation" by Henry Maxwell Dempsey (AKA Harry Harrison)
The cause of the disease is believed to be a protozoan parasite belonging to the group Myxosporidia.
"The Life of Crustacea" by William Thomas Calman

In news:

Researchers at Purdue University have discovered that the lake sturgeon genome contains genes that could harbor a protozoan parasite which causes STDs in humans.
Malaria is caused by several species of single-celled organisms known as protozoans.
Toxoplasma gondii is a protozoan parasite that infects up to a third of the world's population.
Fecal smears are generally used to identify Giardia, a protozoan parasite that causes diarrhea.

In science:

Detailed experiments were also carried out to study hydrodynamic interactions between the protozoan Paramecium [177].
The hydrodynamics of swimming microorganisms
The data are records of six pathogens: three species of Bartonel la bacteria (B. taylorii, B. grahamii, B. doshiae), cowpox virus, the bacterium Anaplasma phagocytophilum and the protozoan Babesia microti.
A coupled hidden Markov model for disease interactions