Definition of micromineral in English:

micromineral

noun

  • 1Geology. A mineral of microscopic size.

  • 2Biology and Medicine. An essential mineral nutrient required in relatively small amounts; a trace element.

Origin

Late 19th century; earliest use found in American Naturalist. From micro- + mineral.

Pronunciation

micromineral

/ˌmʌɪkrə(ʊ)ˈmɪn(ə)r(ə)l//ˌmʌɪkrə(ʊ)ˈmɪn(ə)rəl/