TUMOR n.
es not of itself threaten life, and does not usually tend to recur after extirpation. -- Malignant tumor, a tumor which tends continually to spread, to become generalized in different parts of the body, and to recur after extirpation, and which, if left to itself, causes death.
VENOMOUS a.
Noxious; mischievous; malignant; spiteful; as, a venomous progeny; a venomous writer. Venomous snake (Zoöl.), any serpent which has poison glands and fangs, whether dangerous to man or not. These serpents constitute two tribes, the viperine serpents, or Solenoglypha, and the cobralike serpents, or Proteroglypha. The fo…
VIPER n.
A dangerous, treacherous, or malignant person. Who committed To such a viper his most sacred trust Of secrecy. Milton. Horned viper. (Zoöl.) See Cerastes. -- Red viper (Zoöl.), the copperhead. -- Viper fish (Zoöl.), a small, slender, phosphorescent deep-sea fish (Chauliodus Sloanii). It has long ventral and dorsal fi…
WOOL n.
oolen scribbler, under Woolen, a. -- Wool sorter's disease (Med.), a disease, resembling malignant pustule, occurring among those who handle the wool of goats and sheep. -- Wool staple, a city or town where wool used to be brought to the king's staple for sale. [Eng.] -- Wool stapler. (a) One who deals in wool. (b) O…
YELLOW a.
ish clay, colored by iron, sometimes used as a yellow pigment. -- Yellow fever (Med.), a malignant, contagious, febrile disease of warm climates, attended with jaundice, producing a yellow color of the skin, and with the black vomit. See Black vomit, in the Vocabulary. -- Yellow flag, the quarantine flag. See under Q…