biol. A virus that infects bacteria. Bacteriophages destroy bacterial cells, and this destruction shows up as clear areas called plaques in a colony of bacteria growing on nutrient jelly. སྲིན་བུར་གཉན་ཁ་བྱེད་མཁན་གྱི་གཉན་སྲིན་ཞིག་ལ་ཟེར། […]
phys. A disc or short cylinder fitting closely within a tube in which it moves up and down against a liquid or gas, used in an internal combustion engine to […]