in situ

[in sahy-too, -tyoo, see-, in sit-oo]

adverb

1. situated in the original, natural, or existing place or position.

   The archaeologists were able to date the vase because it was found in situ.

2. Medicine/Medical.

   1. in place or position; undisturbed.

   2. (especially of a malignant tumor) in a localized state or condition.

      carcinoma in situ.

in situ

/ ɪn ˈsɪtjuː /

adverb

1. in the natural, original, or appropriate position

2. pathol (esp of a cancerous growth or tumour) not seen to be spreading from a localized position

in situ

1. In the original place or arrangement: “The body was left in situ until the police arrived.” From Latin, meaning “in position.”

Word History and Origins

Origin of in situ¹

First recorded in 1730–40, in situ is from Latin in sitū literally, “in place”

Example Sentences

These include leaving some of the waste in situ and placing a soil cap on top of it, upon which plants would be cultivated to help absorb pollutants.

From BBC

"It's exciting to see the first in situ footage of a juvenile colossal and humbling to think that they have no idea that humans exist," she said.

From BBC

"If the golden toilet in situ had looked beautiful and perfect and majestic and untainted, this was the total opposite," Mr Hare said.

From BBC

I am confident that the collections are as safe in situ as can be.”

From Los Angeles Times

And if a green and glamorous palm tree signals the idyllic, a flaming one shouts “dystopian,” divine punishment, an Eden expulsion in situ.

From Los Angeles Times

Related Words

• situated