See also: 3D, 3-D, and 3ᵈ

Translingual

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Noun

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3d

  1. (chemistry, physics) an electron orbital type
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English

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Adjective

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3d (not comparable)

  1. Abbreviation of three-dimensional.
    Synonyms: 3D, 3-D
  2. Obsolete form of 3rd.

Noun

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3d

  1. thruppence, threepence, a coin valuing three pennies

Egyptian

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Romanization

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3d

  1. Alternative transliteration of ꜣd.