13-letter words containing w, o, l, f
- willow family — the plant family Salicaceae, characterized by deciduous trees and shrubs having simple, alternate leaves, hairy catkins of male and female flowers on separate plants, and capsular fruit, and including the aspen, cottonwood, poplar, and willow.
- wolffian body — the mesonephros.
- wolffian duct — a duct, draining the mesonephros of the embryo, that becomes the vas deferens in males and vestigial in females.
- wonderfulness — excellent; great; marvelous: We all had a wonderful weekend.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts
- work-furlough — work-release.
- working fluid — a liquid or gaseous working substance.
- woulfe bottle — a bottle with more than one neck, used for passing gases through liquids