20-letter words containing b, a, y, i, n
- tchebycheff equation — a differential equation of the form (1 − x 2) d 2 y/dx 2 − x dy/dx + n 2 y = 0, where n is any nonnegative integer.
- tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
- to get your bearings — to find out where one is or to find out what one should do next
- walton and weybridge — a city in Surrey, SE England: a London suburb.
- webster's dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- 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.
- wintergreen barberry — a Chinese evergreen shrub, Berberis julianae, of the barberry family, having spiny leaves, dark green above, pale beneath, clusters of yellow flowers, and bluish-black fruit.