[ te-truh-kok-uh s ]
/ ˌtɛ trəˈkɒk əs /

noun, plural tet·ra·coc·ci [te-truh-kok-sahy, -see] /ˌtɛ trəˈkɒk saɪ, -si/, Bacteriology.

a spherical bacterium occurring in square groups of four.

Origin of tetracoccus

First recorded in 1895–1900; tetra- + -coccus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tetracoccus

  • The four cocci which result from a single division may remain together, giving the tetracoccus or tetrad grouping.

    The Fundamentals of Bacteriology|Charles Bradfield Morrey