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See also: hème

English

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Alternative forms

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Etymology

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Back-formation from hemoglobin.

Pronunciation

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Noun

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heme (countable and uncountable, plural hemes)

  1. (biochemistry) The component of hemoglobin (and other hemoproteins) responsible for binding oxygen. It consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
    • 2008, John Greer, John Foerster, George Rodgers, Fixos Paraskevas, Bertil Glader, Daniel Arber, Robert Means Jr, Wintrobe's Clinical Hematology: Volume One: Twelfth Edition, page 141:
      The binding of oxygen to the iron molecule causes the hemoglobin molecule to undergo conformational changes that affect the binding of oxygen to other heme sites.
    • 2018, Ruth Reichl, Silvia Killingsworth, The Best American Food Writing 2018, Mariner Books, →ISBN, page 152:
      Impossible's breakthrough was in discovering that meat's essence comes from heme—the iron-rich molecule in blood that carries oxygen and is responsible for the deep-red color.

Derived terms

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Translations

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See also

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Further reading

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Pronunciation

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Adverb

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heme

  1. at home

Middle English

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Etymology 1

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Inherited from Old English -hǣme, related to hām (home; village, community). This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Noun

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heme (plural heamen)

  1. inhabitant, villager
Descendants
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  • English: heme

References

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Etymology 2

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From Old English ġehēme. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Adjective

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heme

  1. fitting, suitable
Descendants
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References

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Etymology 3

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Noun

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heme

  1. Alternative form of em

Etymology 4

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Pronoun

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heme

  1. Alternative form of hem (them)

Etymology 5

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Noun

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heme

  1. Alternative form of hem (hem)

Norwegian Nynorsk

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Pronunciation

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Adverb

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heme

  1. (dialectal, nonstandard) alternative form of heime (at home)
    • 1949, Alf Prøysen, Dørstokken heme [The Doorstep at Home], Høvik, page 14:
      Og andre gongen han vakner ligg han heme.
      And the other time he wakes, he's at home.

Spanish

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Etymology

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From he (adverb) +‎ me (pronoun).

Pronunciation

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  • IPA(key): /ˈeme/ [ˈe.me]
  • Rhymes: -eme
  • Syllabification: he‧me

Phrase

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heme

  1. here I am

Verb

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heme

  1. inflection of haber:
    1. second-person singular imperative combined with me
    2. second-person singular voseo imperative combined with me