20-letter words containing n, w, b
- to get your own back — If you get your own back on someone, you have your revenge on them because of something bad that they have done to you.
- tomb of the unknowns — See under Unknown Soldier.
- travelling-wave tube — an electronic tube in which an electron beam interacts with a distributed high-frequency magnetic field so that energy is transferred from the beam to the field
- twiddle one's thumbs — to turn about or play with lightly or idly, especially with the fingers; twirl.
- under/below strength — If an army or team is under strength or below strength, it does not have all the members that it needs or usually has.
- walton and weybridge — a city in Surrey, SE England: a London suburb.
- war of the rebellion — American Civil War.
- war production board — the board (1942–45) that supervised and regulated the production and sale of matériel essential to the logistics of World War II. Abbreviation: WPB, W.P.B.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- watch someone's back — the rear part of the human body, extending from the neck to the lower end of the spine.
- webbing clothes moth — a small brown moth, Tineola biselliella, the larva of which feeds on woolens and spins a web when feeding.
- 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.
- white-fringed beetle — any of several weevils of the genus Graphognathus, native to South America and now of southeastern and mid-Atlantic U.S., whose larvae feed on roots and cause serious damage to a wide variety of plants.
- wilson cloud chamber — cloud chamber.
- 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.