20-letter words containing a, c, i, d, f, t
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- vertical lift bridge — lift bridge.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.