English noun: atomic number 33 | |||
1. | atomic number 33 (substance) 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 | ||
Synonyms | arsenic, As | ||
Broader (hypernym) | chemical element, element | ||
Substance meronym | arsenopyrite, herbicide, insect powder, insecticide, mispickel, orpiment, realgar, weed killer, weedkiller | ||