17-letter words containing o, l, d, f, a, r
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
- hardware platform — a group of compatible computers that can run the same software.
- hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- kolar gold fields — a city in S India, in SE Karnataka: a major gold-mining centre since 1881. Pop: 176 000 (2005 est)
- life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
- litigation friend — a person acting on behalf of an infant or other person under legal disability
- loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
- old norman french — Norman French (sense 1)
- phenylformic acid — benzoic acid.
- programming fluid — (jargon) (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- russian wolfhound — borzoi.
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
- sidesaddle flower — a pitcher plant, Sarracenia purpurea.
- south farmingdale — a town on central Long Island, in SE New York.
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- sword of damocles — Damocles (def 2).
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- vanilla-flavoured — having been flavoured with vanilla extract or essence
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.