a Gram-negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape.
noun 1. a small sphere or spherical body. noun 1. a very small sphere or globule
noun, Petrology. 1. a rounded aggregate of radiating crystals found in obsidian and other glassy igneous rocks. noun 1. any of several spherical masses of radiating needle-like crystals of one or more minerals occurring in rocks such as obsidian
adjective 1. having the form of a sphere; spherelike. 2. pertaining to or resembling a heavenly body; starlike. adjective (poetic) 1. resembling a sphere 2. resembling a celestial body or bodies; starlike
noun, Anatomy. 1. a circular band of voluntary or involuntary muscle that encircles an orifice of the body or one of its hollow organs. noun 1. (anatomy) a ring of muscle surrounding the opening of a hollow organ or body and contracting to close it sphincter sphinc·ter (sfĭngk’tər) n. A ringlike muscle that normally maintains […]