Meaning of spheroplast

sphe•ro•plast

Pronunciation: (sfēr'u-plast", sfer'-), [key]
— n. Bacteriol.
  1. a Gram-negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.