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cell wall

The definition of a cell wall is the protective coating for a plant cell.

(noun)

An example of a cell wall is the rigid cellulose outside the cell membrane of a plant.

See cell wall in Webster's New World College Dictionary

Biol. the nonliving covering or separating wall of a cell; esp., the relatively rigid covering of a plant cell, containing cellulose, hemicellulose, lignin, etc.

See cell wall in American Heritage Dictionary 4

noun

The rigid outermost cell layer found in plants and certain algae, bacteria, and fungi but characteristically absent from animal cells.

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