19-letter words containing o, v, a, l, i
- valley of the kings — a valley on the west bank of the Nile near the site of Thebes: the necropolis of many of the kings and queens of the 18th and 19th dynasties of ancient Egypt, c1350–c1200 b.c.
- 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
- verdigris toadstool — a basidiomycetous fungus, Stropharia aeruginosa, having a distinctive and unusual blue-green cap and paler shaggy stem
- vicariate apostolic — a district under the jurisdiction of a vicar apostolic.
- 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.
- 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.
- voltaic electricity — electric current; moving electric charges.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- vulvovaginal glands — the small gland on either side of the lower part of the vagina
- yablonovy mountains — a mountain range in Siberia. Highest peak: 1680 m (5512 ft)
- zone of illuviation — B horizon.