20-letter words containing m, a, b, l
- tribromoacetaldehyde — bromal.
- vertical combination — the integration within one company of individual businesses working separately in related phases of the production and sale of a product.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- westminster assembly — a convocation that met at Westminster, London, 1643–49, and formulated the articles of faith (Westminster Confession of Faith) that are accepted as authoritative by most Presbyterian churches.
- wet-bulb temperature — The wet-bulb temperature is the temperature reached by a small amount of liquid evaporating in a large amount of an unsaturated air-vapor mixture.
- wilson cloud chamber — cloud chamber.
- yellow-billed magpie — either of two corvine birds, Pica pica (black-billed magpie) of Eurasia and North America, or P. nuttalli (yellow-billed magpie) of California, having long, graduated tails, black-and-white plumage, and noisy, mischievous habits.