81


Definition: Meaning of, 81 in English to English dictionary.

Pronunciation: / /

  • adjective
  • synonym
  • antonym
Word Forms:
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  1. being one more than eighty
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81 used in phrases

  • atomic number 81 (noun)
    1. a soft grey malleable metallic element that resembles tin but discolours on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
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