15-letter words containing wel
- well-understood — simple past tense and past participle of understand.
- well-ventilated — to provide (a room, mine, etc.) with fresh air in place of air that has been used or contaminated.
- wellington boot — a leather boot with the front part of the top extending above the knee.
- welsbach burner — a type of gaslight in which a mantle containing thorium and cerium compounds becomes incandescent when heated by a gas flame