Hypernym

noun

any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

metalloid 1

noun

a chemical element with properties in between, or that are a mixture of, those of metals and nonmetals.

nitrogen group element 1

noun

any chemical element that belongs to the nitrogen group.

Substance_meronym

arsenopyrite 1

noun

a silver-white or grey ore of arsenic

orpiment 1

noun

a yellow mineral occurring in conjunction with realgar; an ore of arsenic

realgar 1

noun

a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic

herbicide 1

noun

a chemical agent that destroys plants or inhibits their growth

insecticide 1

noun

a chemical used to kill insects

atomic number 33 1

noundomain: substance

Princeton WordNet [ver.3.1]

English

Definition

a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar