Topic Navigator

Noun Tree | Nouns Groups | Verb Groups | Search

Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

matter go
that which has mass and occupies space

substance go
a particular kind or species of matter with uniform properties

poison, toxicant, poisonous substance go
any substance that causes injury or illness or death of a living organism

toxin go
a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species

plant toxin, phytotoxin
any substance produced by plants that is similar in its properties to extracellular bacterial toxin

noun.substance

6 Subcategories

nicotine go
an alkaloid poison that occurs in tobacco
strychnine go
an alkaloid plant toxin extracted chiefly from nux vomica
brucine go
a bitter alkaloid poison resembling strychnine and extracted from nux vomica
hemlock go
poisonous drug derived from an Eurasian plant of the genus Conium
mycotoxin go
a toxin produced by a fungus
tubocurarine, curare go
a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles