(sound, headphones) the property of blocking off outside sound through use of materials that reduce sound transmission from the exterior environment into the interior environment

(basketball) A goal attempt that does not result from a direct pass.

(physics) A system that does not interact with its surroundings. Depending on context this may mean that its total energy and/or momentum stay constant. In thermodynamics, isolated is usually used to indicate that the system's energy does not change. In mechanics it is used to indicate that the system's momentum does not change.

(chess) A pawn that has no friendly pawn on an adjacent file.

(Canada) Additional money paid to workers based in remote communities to compensate for higher living and travel costs.

plural of isolated pawn

(linguistics) A natural language with no proven genetic relationship to another language.

plural of language isolate

A lightless, soundproof tank inside which a subject floats in salt water at skin temperature. They were originally used to test the effects of sensory deprivation and are now used for meditation and relaxation.

(prepositive) Characterised by personal separation of individuals due to the practice of social distancing and self-isolation.