Medical Definition of MICELLE. : a unit of structure built up from polymeric molecules or ions: as a: an ordered region in a fiber (as of cellulose or rayon) b: a molecular aggregate that constitutes a colloidal particle.
GLaDOS (G enetic L ifeform a nd D isk O perating S ystem) is an artificial intelligence created by Aperture Science. She is the main antagonist throughout Portal and the first half of Portal 2's single-player campaign.
Freebase(0.00 / 0 votes)Rate this definition: GLAD. GLAD is one of the pioneers of Christian pop/rock and a cappella music, having formed as a progressive rock group in 1972 and discovered a large audience for their a cappella music in 1988. Today, with over 1.5 million albums sold, they continue to perform concerts and release occasional recordings.