microelementn.

Brit.

/ˈmʌɪkrəʊˌɛlᵻm(ə)nt/,

/ˌmʌɪkrəʊˈɛlᵻm(ə)nt/, U.S.

/ˈˌmaɪkroʊˈˌɛləm(ə)nt/

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

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

1. Chiefly Plant Physiology. An inorganic micronutrient; a trace element.

ΘΚΠ

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

microelement1936

micronutrient1940

macroelement1942

macronutrient1942

micromineral1951

1936 Chem. Abstr. 30 1496 Yields of oats..were greatest with the doubled concn. of nutrients with a special addn. of microelements.

1950 O. F. Curtis & D. G. Clark Introd. Plant Physiol. xiii. 367 We prefer the terms trace or micro elements.

1966 F. M. Irvine tr. H. G. Lundegårdh Plant Physiol. vi. 251 Manganese takes up an intermediate position between a macro- and a microelement.

1984 Listener 8 Nov. 15/3 The liquidity of the water is caused by the behaviour of elements at the micro-level, and yet at the same time is a feature realised in the system of micro-elements.

1990 Garden (Royal Hort. Soc.) July 349/2 It is long-lasting and it contains micro-elements and magnesium.

1999 G. Tansey & J. D'Silva Meat Business i. 12 So the industry developed a complete spectrum, including phosphorus, potash, calcium, the microelements,..applied in granulated form, sometimes applied from a plane.

2. Electronics. A thin, flat, miniaturized circuit made with standardized length and width for assembly into a micromodule.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > integrated circuit > miniaturized

microcircuit1959

microelement1959

1959 Proc. IRE 47 897 (caption) Micro-module, exploded view, before stacking and interconnecting. As many micro-elements as desired may be assembled to form the module... A 0·01-inch space is allowed between micro-elements.

1963 S. F. Danko et al. in E. Keonjian Microelectronics iii. 142 The 0·016-in.-diameter riser wires are soldered to appropriate metallized notches in the stack of microelements.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	microelement
释义	microelementn. Brit. /ˈmʌɪkrəʊˌɛlᵻm(ə)nt/, /ˌmʌɪkrəʊˈɛlᵻm(ə)nt/, U.S. /ˈˌmaɪkroʊˈˌɛləm(ə)nt/ Origin: Formed within English, by compounding. Etymons: micro- comb. form, element n. Etymology: < micro- comb. form + element n. 1. Chiefly Plant Physiology. An inorganic micronutrient; a trace element. ΘΚΠ the world > life > biology > biological processes > nutrition, etc. > [noun] > nutrients microelement1936 micronutrient1940 macroelement1942 macronutrient1942 micromineral1951 1936 Chem. Abstr. 30 1496 Yields of oats..were greatest with the doubled concn. of nutrients with a special addn. of microelements. 1950 O. F. Curtis & D. G. Clark Introd. Plant Physiol. xiii. 367 We prefer the terms trace or micro elements. 1966 F. M. Irvine tr. H. G. Lundegårdh Plant Physiol. vi. 251 Manganese takes up an intermediate position between a macro- and a microelement. 1984 Listener 8 Nov. 15/3 The liquidity of the water is caused by the behaviour of elements at the micro-level, and yet at the same time is a feature realised in the system of micro-elements. 1990 Garden (Royal Hort. Soc.) July 349/2 It is long-lasting and it contains micro-elements and magnesium. 1999 G. Tansey & J. D'Silva Meat Business i. 12 So the industry developed a complete spectrum, including phosphorus, potash, calcium, the microelements,..applied in granulated form, sometimes applied from a plane. 2. Electronics. A thin, flat, miniaturized circuit made with standardized length and width for assembly into a micromodule. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > integrated circuit > miniaturized microcircuit1959 microelement1959 1959 Proc. IRE 47 897 (caption) Micro-module, exploded view, before stacking and interconnecting. As many micro-elements as desired may be assembled to form the module... A 0·01-inch space is allowed between micro-elements. 1963 S. F. Danko et al. in E. Keonjian Microelectronics iii. 142 The 0·016-in.-diameter riser wires are soldered to appropriate metallized notches in the stack of microelements. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1936
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