15-letter words containing f, i, d, u
- sigmoid flexure — Zoology. an S -shaped curve in a body part.
- silver fluoride — a yellow or brownish, crystalline, water-soluble, hygroscopic solid, AgF, used chiefly as an antiseptic and disinfectant.
- snubfin dolphin — Australian dolphin with a small dorsal fin
- sodium fluoride — a colorless, crystalline, water-soluble, poisonous solid, NaF, used chiefly in the fluoridation of water, as an insecticide, and as a rodenticide.
- spotted sunfish — a sunfish, Lepomis punctatus, inhabiting streams from South Carolina to Florida, having the body marked with longitudinal rows of spots.
- stannic sulfide — a yellowish or brownish, water-insoluble powder, SnS 2 , usually used suspended in lacquer or varnish for gilding and bronzing metals, wood, paper, etc.; mosaic gold.
- sulfanilic acid — a grayish-white, crystalline, slightly water-soluble solid, the para form of C 6 H 7 NO 3 S, used chiefly as an intermediate in the manufacture of dyes.
- sulfur trioxide — an irritant, corrosive, low-melting solid, SO 3 , obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid.
- superconfidence — great or extreme confidence, overconfidence
- surface density — quantity, as of electric charge, per unit surface area.
- surface-ripened — (of cheese) ripened on the surface by molds or other microorganisms.
- tank foundation — A tank foundation is a base which is designed to support the weight of oil tanks and contain spillage.
- thermodiffusion — thermal diffusion.
- tufted titmouse — a gray titmouse, Parus bicolor, of the eastern and midwestern U.S., having a crested head.
- ultrafastidious — extremely fastidious
- unaffordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- under the knife — an instrument for cutting, consisting essentially of a thin, sharp-edged, metal blade fitted with a handle.
- underfulfilling — falling short of satisfactory
- undress uniform — a uniform worn on other than formal occasions.
- unsatisfiedness — the state of being unsatisfied
- usman dan fodio — 1754–1817, African mystic and revolutionary leader, who created a Muslim state in Nigeria
- van diemen gulf — an inlet of the Timor Sea in N Australia, in the Northern Territory
- video frequency — transmission frequency of the television picture.
- winter flounder — any of various popular food flatfishes, as Parophrys vetulus of the Pacific (English sole) and Pseudopleuronectes americanus of the Atlantic (winter flounder or blackback flounder)