Chiefly Plant Physiology. An inorganic micronutrient; a trace element.
| 单词 | θ18557 |
| 释义 | the world > life > biology > biological processes > nutrition, etc. > [noun] > nutrients (5) microelement1936 Chiefly Plant Physiology. An inorganic micronutrient; a trace element. micronutrient1940 An essential nutrient required only in small amounts; esp. a trace element or vitamin. macroelement1942 A chemical element that is required as a nutrient in relatively large amounts; a macronutrient (macronutrient, n. 1) or macromineral. macronutrient1942 Plant Physiology. Any of the chemical elements that are necessary in relatively large amounts for normal growth and development. micromineral1951 Biology and Medicine. An essential mineral nutrient required in relatively small amounts; a trace element. Cf. macromineral, n. |
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