Search the Dictionary

Poisonous. [Obs.]

A toxic substance contained in the venom of poisonous snakes; also, a (supposedly identical) toxic substance obtained by the cleavage of an albumose.

Matter fatal or injurious to life; poison; particularly, the poisonous, the poisonous matter which certain animals, such as serpents, scorpions, bees, etc., secrete in a state of health, and communicate by thing or stinging. Or hurtful worm with cankered venom bites. Milton.

Full of venom; noxious to animal life; poisonous; as, the bite of a serpent may be venomous.

A poisonous alkaloid obtained from the root hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina.

A genus of coarse liliaceous herbs having very poisonous qualities.

A green poisonous substance used as a pigment and drug, obtained by the action of acetic acid on copper, and consisting essentially of a complex mixture of several basic copper acetates.

Having a nauseous odor; fetid; poisonous. [R.]

The quality or state of being virulent or venomous; poisonousness; malignancy.

Extremely poisonous or venomous; very active in doing injury. A contagious disorder rendered more virulent by uncleanness. Sir W. Scott.

Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; -- applied to organic poisons.

A European poisonous umbelliferous plant (Enanthe fistulosa) with large hollow stems and finely divided leaves.

A poisonous umbelliferous plant (Cicuta virosa) of Europe; also, any one of several plants of that genus.

Any plant of the aquatic umbelliferous genus Sium, poisonous herbs with pinnate or dissected leaves and small white flowers.

A poisonous plant (Aconitum Lycoctonum), a kind of monkshood; also, by extension, any plant or species of the genus Aconitum. See Aconite.

A glucoside found in the poisonous berries of a species of honeysuckle (Lonicera xylosteum), and extracted as a bitter, white, crystalline substance.

ustations; -- called also hydrozincite. -- Zinc ethyl (Chem.), a colorless, transparent, poisonous liquid, composed of zinc and ethyl, which takes fire spontaneously on exposure to the atmosphere. -- Zinc green, a green pigment consisting of zinc and cobalt oxides; -- called also Rinmann's green. -- Zinc methyl (Che…