noun
: a method of demonstrating the form of small objects (as bacteria) by surrounding them with a stain that they do not take up so that they appear as sharply outlined unstained bright bodies on a colored ground
noun
: a method of demonstrating the form of small objects (as bacteria) by surrounding them with a stain that they do not take up so that they appear as sharply outlined unstained bright bodies on a colored ground
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012