adverb & adjective
1In its original place.[as adverb] ‘mosaics and frescoes have been left in situ’[as adjective] ‘a collection of in situ pumping engines’
in position, in situin position, in situView synonyms
- ‘The archaeologists were able to date the vase because it was found in situ.’
- ‘Her mission is preserving populations of native rock grape plants in situ, on site in their native habitat, as part of an ecological preserve.’
- 1.1In position.[as adverb] ‘her guests were all in situ’
- ‘These facilities are now in situ with a planned operational date in October.’
Mid 18th century: Latin.