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in situ

/ɪn ˈsaɪɾu/
/ɪn ˈsaɪtu/
IPA guide

The adverb in situ is useful for describing things that are found in their original location, like pirate treasure that is dug up from exactly where it was buried hundreds of years earlier.

Archaeologists often use the term in situ when they're talking about finding artifacts that haven't been moved from their original sites, and in anatomy it means normal, healthy body parts. The literal Latin translation of in situ is "in its original place or position," and the term has been used in English since the mid-eighteenth century. It is pronounced with a long i sound.

Definitions of in situ
  1. adverb
    in the original or natural place or site
    “carcinoma in situ
    synonyms: in place
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