(programming) A problematic situation where one thread could potentially read or write a memory location while another thread is writing to it.

(motor racing) The most optimal (fastest) line or course on a track.

A centrifugal form of thin-layer chromatography

(historical) Love of one's own race, or hatred of other races.

Synonym of cutaneous rabbit illusion

A tactile illusion where tapping separate regions of a person's skin in rapid succession (e.g. the elbow and the forearm) gives the impression of sequential taps "hopping" from one point to the next, even though the intermediate points were never touched.

Alternative form of headrace

Alternative form of headrace

plural of tricky racket

A type of business or endeavor that is not easy; a domain fraught with difficulty.