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词汇 micromineral
释义

Definition of micromineral in English:

micromineral

noun ˌmʌɪkrə(ʊ)ˈmɪn(ə)r(ə)lˌmʌɪkrə(ʊ)ˈmɪn(ə)rəl

  • 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.

Definition of micromineral in US 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.
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