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单词 chemical symbol
释义

Definition of chemical symbol in English:

chemical symbol

noun
  • A letter or other graphic mark used as an abbreviation in chemistry; specifically a letter or two (rarely three) letters denoting a chemical element (as N for nitrogen, Fe for iron) or an organic group (as R for an alkyl group, Me for methyl), in chemical formulae or in other contexts.

Origin

Late 18th century.

Definition of chemical symbol in US English:

chemical symbol

noun
  • A letter or other graphic mark used as an abbreviation in chemistry; specifically a letter or two (rarely three) letters denoting a chemical element (as N for nitrogen, Fe for iron) or an organic group (as R for an alkyl group, Me for methyl), in chemical formulae or in other contexts.

Origin

Late 18th century.

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更新时间:2025/6/19 6:56:48