What is Plaque?
'''Plaque''': a word meaning a flat, plate-like object. *a plaque in biology is a flat growth-form, as for example, **the growth of [[bacteria]]l colonies on an [[agar]] plate **a sticky, white film or fluid on the [[teeth]], a mixture of [[bacteria]] and food **in [[atherosclerosis]], a [[fat]] layer inside an [[artery]]. *a flat man-made object, such as a [[commemorative plaque|memorial plaque]] or other flat object {{disambig}}