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Definition of "bacterium" []

  • Any of the unicellular prokaryotic microorganisms of the class Schizomycetes, which vary in terms of morphology, oxygen and nutritional requirements, and motility, and may be free-living, saprophytic, or pathogenic in plants or animals. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "bacterium" in a sentence
  • "Christian Gottfried Ehrenberg (German 1795-1876) - one of the most famous and prolific scientists during the nineteenth century, introduced the term bacterium in 1838."
  • "Not disagreeing, since in this argument/discussion I presume no further than the roll of a reporter, but for the authors I previously named even the bacterium is evidence of this logical/ontological principle of order that we might legitimately call “God.”"
  • "Hence, even a simple bacterium is an "intentional agent", albeit one with a very low level of complexity and flexibility of intentionality."