in situ
adverb or adjective
in si·tu (ˌ)in-ˈsī-(ˌ)tü 
-ˈsi-,
-(ˌ)tyü also -ˈsē-,
-(ˌ)chü : in the natural or original position or place
an in situ cancer confined to the breast duct
Example Sentences
Recent Examples on the Web Having shown me the Guardian system in situ, Dalmau then takes me to his office and shows me how, thanks to these sensors, the system can indicate areas that could be affected by a fire, as well as simulating how the fire might evolve. 
WIRED, 26 Aug. 2022 Instead, Miner suggests developing leadership skills in situ. Stephanie Burns, Forbes, 1 Oct. 2021 According to the Skin Cancer Foundation, Melanoma in situ means that a tumor has not invaded beyond the outer layer of the skin. Dave Quinn, PEOPLE.com, 1 Apr. 2022 And yet many of his works remain in situ—in the church of San Lorenzo; in the Museo dell’Opera del Duomo; at Orsanmichele; and beyond Florence, in Padua and other cities. Cammy Brothers, WSJ, 7 May 2022 The programme, focusing on artistic projects that invite visitors to experience images through in situ interactive installations, has largely contributed to the public success of the event over the last ten years. Vogue, 27 Apr. 2022 Moving forward, Bods is developing its own website where users will be able to create a Bod in situ for use on partner sites. Stephanie Hirschmiller, Forbes, 29 May 2022 In fact, Brown’s breast cancer, a variety of ductal carcinoma in situ, or DCIS, was invasive (found outside the milk duct) but very much treatable. Barbara J. King, Washington Post, 13 May 2022 There is, first, the attempt to contextualize the development of American fashion between the mid-19th century and the mid-20th and to place it in situ. New York Times, 6 May 2022 See More
WIRED, 26 Aug. 2022 Instead, Miner suggests developing leadership skills in situ. Stephanie Burns, Forbes, 1 Oct. 2021 According to the Skin Cancer Foundation, Melanoma in situ means that a tumor has not invaded beyond the outer layer of the skin. Dave Quinn, PEOPLE.com, 1 Apr. 2022 And yet many of his works remain in situ—in the church of San Lorenzo; in the Museo dell’Opera del Duomo; at Orsanmichele; and beyond Florence, in Padua and other cities. Cammy Brothers, WSJ, 7 May 2022 The programme, focusing on artistic projects that invite visitors to experience images through in situ interactive installations, has largely contributed to the public success of the event over the last ten years. Vogue, 27 Apr. 2022 Moving forward, Bods is developing its own website where users will be able to create a Bod in situ for use on partner sites. Stephanie Hirschmiller, Forbes, 29 May 2022 In fact, Brown’s breast cancer, a variety of ductal carcinoma in situ, or DCIS, was invasive (found outside the milk duct) but very much treatable. Barbara J. King, Washington Post, 13 May 2022 There is, first, the attempt to contextualize the development of American fashion between the mid-19th century and the mid-20th and to place it in situ. New York Times, 6 May 2022 See More Word History
Etymology
Latin, in position
First Known Use
1740, in the meaning defined above
Medical Definition
in situ
adverb or adjective
in si·tu
(ˈ)in-ˈsī-(ˌ)t(y)ü, -ˈsi- also -ˈsē-, -(ˌ)chü
: in the natural or original position or place
an in situ cancer confined to the breast duct
see carcinoma in situ