We found 1 definitions of atomic number 33 from 1 different sources.
Noun |
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atomic number 33 - 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 | ||
arsenic, As | ||
chemical element, element the most favorable environment for a plant or animal; "water is the element of fishes" | ||
herbicide, weed killer, weedkiller a chemical agent that destroys plants or inhibits their growth | ||
insect powder, insecticide a chemical used to kill insects | ||
arsenopyrite, mispickel a silver-white or grey ore of arsenic | ||
orpiment a yellow mineral occurring in conjunction with realgar; an ore of arsenic | ||
realgar a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic |