20-letter words containing a, b, c, o
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- upper income bracket — a grouping of the highest earning tax payers
- vertical combination — the integration within one company of individual businesses working separately in related phases of the production and sale of a product.
- voice over broadband — a transmission technique that enables a user to make and receive telephone calls over a broadband connection
- 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.
- webster's dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
- wilson cloud chamber — cloud chamber.
- yellow-breasted chat — an American warbler, Icteria virens, having a yellow throat and breast and greenish-brown upper parts and noted for imitating the songs of other species.