(metrology) An SI unit of mass equal to 10⁻⁶ grams. Symbol: μg A unit of mass equal to one millionth of a gram, or 0.000 001 grams.

(mineralogy, dated) A variety of barite that emits a foetid odour when rubbed or heated.

Alternative form of napkining

An insect of the family Gerridae. / The bufferfly Parnara monasi.