HyperDic: atomic_number_33

English > 1 sense of the expression atomic number 33:
NOUNsubstanceatomic number 33, arsenic, Asa very poisonous metallic element that has three allotropic forms
English > atomic number 33: 1 sense > noun 1, substance
MeaningA 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.
Synonymsarsenic, As
Broaderchemical element, elementAny 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
Substance ofarsenopyrite, mispickelA silver-white or grey ore of arsenic
herbicide, weedkiller, weed killerA chemical agent that destroys plants or inhibits their growth
insecticide, insect powderA chemical used to kill insects
orpimentA yellow mineral occurring in conjunction with realgar
realgarA rare soft orange mineral consisting of arsenic sulphide
Spanisharsénico, número atómico 33
Catalanarsènic, número atòmic 33

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