(physics) A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth.

(US, slang, law enforcement) A police patrol car. / (US, slang, by extension) The police, a police officer or the clothing they wear.

Alternative form of black-and-white (of an image, a video, etc: in black, white, and perhaps shades of grey, rather than in colour)

(uncountable) Light, having a mixture of frequencies, being perceived as having no specific colour; such as sunlight. / (countable) A white-coloured light or lamp

An albino elephant. / (idiomatic) A possession that is unwanted or is a financial burden; an unprofitable investment.

A type of white coffee made with espresso coffee and hot milk, similar to a small latte.

(astronomy) A dying star of low or medium mass, more solid and dense but less bright than the sun.

(slang, idiomatic) a descriptive analogy of closeness. See like white on rice.

A set of pro-Hispanic ideas attempting to counterbalance the anti-Hispanic Black Legend (Spanish Leyenda Negra).

Rice which has had the brownish hull polished off, leaving a white-colored grain.