13-letter words containing l, w, d, t, o
- wall of death — (at a fairground) a giant cylinder round the inside walls of which a motorcyclist rides
- water soldier — an aquatic plant, Stratiotes aloides, of Europe and NW Asia, having rosettes of large leaves and large three-petalled white flowers: family Hydrocharitaceae
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- welding torch — tool used to fuse metals
- well-assorted — properly matched and suited to one another
- well-operated — to work, perform, or function, as a machine does: This engine does not operate properly.
- well-oriented — the Orient, the countries of Asia, especially East Asia. (formerly) the countries to the E of the Mediterranean.
- wild bergamot — a plant, Monarda fistulosa, of the mint family, native to eastern North America, having a rounded cluster of lilac-colored or purple flowers, growing in dry places.
- wolffian duct — a duct, draining the mesonephros of the embryo, that becomes the vas deferens in males and vestigial in females.