- a spherical bacterium occurring in square groups of four.
Origin of tetracoccus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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