22-letter words containing s, t, u, d, i, o
- under no circumstances — not for any reason
- underground combustion — Underground combustion is the process of heating oil to allow it to flow more easily and make it easier to recover.
- united empire loyalist — any of the American colonists who settled in Canada during or after the War of American Independence because of loyalty to the British Crown
- universal product code — a bar code that indicates price, product classification, etc., and can be read electronically, as at checkout counters in supermarkets. Abbreviation: UPC.
- unprofessional conduct — activity that is contrary to the accepted code of conduct of a profession
- unsaturated production — Unsaturated production is the production of smaller, unsaturated hydrocarbons from saturated hydrocarbons, for example producing alkenes such as ethane and propene.
- urban district council — a council of an urban district that, in conjunction with a county council, has responsibilities for local government issues
- van der waals equation — an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them.
- volume of distribution — A volume of distribution is the hypothetical volume of body fluid that would be required to dissolve the amount of drug needed to achieve the same concentration in the blood.
- wardour street english — affectedly archaic speech or writing