major element
noun
Specifically a chemical element that is present or required in relatively large amounts; (Biology ) = macronutrient; ( Geology ) an element that constitutes more than 5 per cent of a rock.
Origin
1950s.
| 单词 | major element |
| 释义 | major elementnoun Specifically a chemical element that is present or required in relatively large amounts; (Biology ) = macronutrient; ( Geology ) an element that constitutes more than 5 per cent of a rock. Origin |
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