A parallel experiment designed to replicate the main experiment in every way, except in respect of the one variable that is being tested, so as isolate the effect of that variable; for example, an experiment in which subjects are given a placebo instead of an active drug, intended to check that any observed benefits of the drug derive from the drug itself and not from other factors involved in its administration.

(informal, humorous) A state of extreme uncleanliness, especially one which involves food mess left for an excessive period of time that is liable to spoil, rot, mold, etc.

plural of boyfriend experience

A sexual encounter with a male sex worker who provides cuddling, kissing, and intimacy.

(historical) A set of scientific equipments used at the landing sites of the last few Apollo missions to the Moon

A sensation of detachment from one's body, the presence of a tunnel of light, the apparent viewing of one's own body from on high, and similar manifestations, experienced by people whose heart and brain have temporarily ceased to function.

Lessons learned from experience are the most lasting.

(parapsychology) An experience in which one feels outside of one’s body.

plural of out-of-body experience

plural of near-death experience