on-site

American  

[on-sahyt, awn-] / ˈɒnˈsaɪt, ˈɔn- /

Or on site

adjective

1. accomplished or located at the site of a particular activity or happening.

   Faculty, staff, and graduate students have two options for on-site childcare.

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adverb

1. on or at a particular site.

   They treated the wounded on-site before putting them on a helicopter for evacuation.

Etymology

Origin of on-site

First recorded in 1955–60

Example Sentences

It will use locally sourced biomethane to power operations, with on-site energy storage in the form of hydrotreated vegetable oil and batteries.

From The Wall Street Journal • Jun. 7, 2026

No one was seriously hurt, but it had the potential to be catastrophic because of the presence of a highly toxic chemical on-site that can penetrate skin, officials said.

From Los Angeles Times • Jun. 6, 2026

Some of the power could be generated by a new on-site gas plant, and some will likely come from the state’s power grid, according to the project’s concept plan.

From Salon • Jun. 6, 2026

It has extra facilities such as a dining room, on-site manager and cleaners.

From BBC • May 21, 2026

She trained on-site at the airfield where the regiment was currently stationed, arming bombs and attaching them to the Pe-2s.

From "A Thousand Sisters" by Elizabeth Wein