organism. [ ôr′gə-nĭz′əm ] n. An individual form of life, such as a plant, animal, bacterium, protist, or fungus; a body made up of organs, organelles, or other parts that work together to carry on the various processes of life.

What does does organism mean?

: a living thing made up of one or more cells and able to carry on the activities of life (as using energy, growing, or reproducing) organism.

What is organism in a sentence?

a system considered analogous in structure or function to a living body. 1. It was an infectious organism that he studied.