micromineraln.

Brit.

/ˌmʌɪkrə(ʊ)ˈmɪn(ə)rəl/,

/ˌmʌɪkrə(ʊ)ˈmɪn(ə)rl̩/, U.S.

/ˌmaɪkroʊˈmɪn(ə)rəl/

Origin: Formed within English, by compounding. Etymons: micro- comb. form, mineral n.

Etymology: < micro- comb. form + mineral n.

1. Geology. A mineral of microscopic size.

ΚΠ

1872 Amer. Naturalist 6 704 In the mineral kingdom, micro-chemicals precede micro-minerals.

1941 Rocks & Minerals 16 214/2 The inherent beauty of micro-minerals lies in projection of the..transparencies in full color.

1984 Philos. Trans. (Royal Soc.) A. 311 424 Micromineral separation methods have been introduced to remove some unwanted minerals from the refined kaolin.

1992 Rock & Gem Feb. 83/2 Every phase of this multiple hobby fascinates me, whether it is..viewing a micromineral or microfossil under magnification.

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

ΘΚΠ

the world > life > biology > biological processes > nutrition, etc. > [noun] > nutrients

microelement1936

micronutrient1940

macroelement1942

macronutrient1942

micromineral1951

1951 Amer. Jrnl. Bot. 38 158/1 Supplementary micro-mineral elements were supplied.

1974 Jrnl. Dental Res. 53 853 (title) Mineral composition of normal human enamel and dentin and the relation of composition to dental caries. II. Microminerals.

1989 Agronomy Jrnl. 81 876 Micromineral supplementation..may be needed for ruminants consuming Brassica grown on soils with low micromineral availabilities.

1997 Nexus (Boulder, Colorado) Mar. 67/1 Especially rich in vitamins.., a broad spectrum of macro and micro minerals plus neuropeptides (brain nutrients).

This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	micromineral
释义	micromineraln. Brit. /ˌmʌɪkrə(ʊ)ˈmɪn(ə)rəl/, /ˌmʌɪkrə(ʊ)ˈmɪn(ə)rl̩/, U.S. /ˌmaɪkroʊˈmɪn(ə)rəl/ Origin: Formed within English, by compounding. Etymons: micro- comb. form, mineral n. Etymology: < micro- comb. form + mineral n. 1. Geology. A mineral of microscopic size. ΚΠ 1872 Amer. Naturalist 6 704 In the mineral kingdom, micro-chemicals precede micro-minerals. 1941 Rocks & Minerals 16 214/2 The inherent beauty of micro-minerals lies in projection of the..transparencies in full color. 1984 Philos. Trans. (Royal Soc.) A. 311 424 Micromineral separation methods have been introduced to remove some unwanted minerals from the refined kaolin. 1992 Rock & Gem Feb. 83/2 Every phase of this multiple hobby fascinates me, whether it is..viewing a micromineral or microfossil under magnification. 2. Biology and Medicine. An essential mineral nutrient required in relatively small amounts; a trace element. Cf. macromineral n. ΘΚΠ the world > life > biology > biological processes > nutrition, etc. > [noun] > nutrients microelement1936 micronutrient1940 macroelement1942 macronutrient1942 micromineral1951 1951 Amer. Jrnl. Bot. 38 158/1 Supplementary micro-mineral elements were supplied. 1974 Jrnl. Dental Res. 53 853 (title) Mineral composition of normal human enamel and dentin and the relation of composition to dental caries. II. Microminerals. 1989 Agronomy Jrnl. 81 876 Micromineral supplementation..may be needed for ruminants consuming Brassica grown on soils with low micromineral availabilities. 1997 Nexus (Boulder, Colorado) Mar. 67/1 Especially rich in vitamins.., a broad spectrum of macro and micro minerals plus neuropeptides (brain nutrients). This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1872
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