19-letter words containing i, n, c, a
- universal recipient — a person with blood type AB, able to receive blood from a person of any blood type but able to donate blood only to a person with the same blood type
- university entrance — an examination taken by pupils of postprimary schools
- unnatural practices — acts which are deemed to be contrary to expected standards of human behaviour
- upper carboniferous — Pennsylvanian (defs 2, 4).
- vacuum distillation — a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.
- vaginal intercourse — intercourse involving insertion of the penis into the vagina
- valencian community — region comprising three provinces of E Spain: 8,998 sq mi (23,305 sq km); pop. 4,029,000; cap. Valencia
- vapor recovery unit — A vapor recovery unit is a system for recovering vapors from inside sealed crude oil or condensate tanks, with a scrubber (= a device for removing unwanted substances) and compressor (= a device that raises pressure).
- velocity modulation — the modulation in velocity of a beam of electrons or ions caused by passing the beam through a high-frequency electric field, as in a cavity resonator
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.
- veterinary medicine — the branch of medicine dealing with the study, prevention, and treatment of diseases in animals, especially domesticated animals.
- viatical settlement — the purchase by a charity of a life assurance policy owned by a person with only a short time to live, to enable that person to use the proceeds during his or her lifetime
- victor emmanuel iii — 1869–1947, king of Italy 1900–46.
- vigilance committee — an unauthorized committee of citizens organized for the maintenance of order and the summary punishment of crime in the absence of regular or efficient courts.
- vinculum matrimonii — the bond of matrimony.
- virginia-rail-fence — snake fence.
- vitamin b (complex) — a group of unrelated water-soluble vitamins found in liver, yeast, etc., including: a) vitamin B1 (see thiamine) b) vitamin B2 (see riboflavin) c) vitamin B6 (see pyridoxine) d) nicotinic acid e) pantothenic acid f) biotin g) inositol h) para-aminobenzoic acid i) choline j) folic acid k) vitamin B12 a complex vitamin, C63H90N14O14PCo, containing trivalent cobalt, essential for the normal maturation of erythrocytes, and for normal growth and neurological function, and used esp. in treating pernicious anemia and as an animal feed supplement
- vocational guidance — the process of assisting a student to choose, prepare for, and enter an occupation for which he or she shows aptitude.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- von neumann machine — the stored-program computer developed by John von Neumann and his associates
- war of independence — American Revolution.
- wassermann reaction — a diagnostic test for syphilis using the fixation of a complement by the serum of a syphilitic individual.
- watch night service — a service held on the night of December 24, or of December 31
- websters-dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- what makes one tick — a slight, sharp, recurring click, tap, or beat, as of a clock.
- whispering campaign — the organized spreading of insinuations or rumors to destroy the reputation of a person, organization, etc.
- wide-angle glaucoma — open-angle glaucoma. See under glaucoma.
- within rocket range — able to be reached by rockets
- young conservatives — the youth section of the United Kingdom Conservative Party until 1998
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)