22-letter words that end in tion
- trigonometric equation — an equation involving trigonometric functions of unknown angles, as cos B = ½.
- trigonometric function — any of a group of functions of an angle expressed as a ratio of two of the sides of a right-angled triangle containing the angle. The group includes sine, cosine, tangent, secant, cosecant, and cotangent
- underground combustion — Underground combustion is the process of heating oil to allow it to flow more easily and make it easier to recover.
- unsaturated production — Unsaturated production is the production of smaller, unsaturated hydrocarbons from saturated hydrocarbons, for example producing alkenes such as ethane and propene.
- unwritten constitution — a constitution, as in Great Britain, not codified as a document but defined by custom and precedent as embodied in statutes and judicial decisions.
- 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.
- vitreoretinal traction — friction on the internal limiting membrane of the retina of the eye by adherent vitreous fibrils in vitreous humour detachment
- 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.
- voluntary organization — an organization that is composed of or functions with the aid of volunteers and which provides aid or services to individuals, groups or countries
- workmen's compensation — compensation for death, injury, or accident suffered by a workman in the course of his employment and paid to him or his dependents
- zodiacal constellation — any of the 12 constellations after which the signs of the zodiac are named: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, or Pisces