microplasma in English dictionary microplasma Meanings and definitions of "microplasma" A gas discharge of small dimensions ranging from micrometers to millimeters, used in various medical and industrial applications. noun A gas discharge of small dimensions ranging from micrometers to millimeters, used in various medical and industrial applications. more Grammar and declension of microplasma microplasma ( plural microplasmas) microplasma (plural microplasmas) more Sample sentences with "microplasma" Declension Stem Try again Authors