arsenic

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a white powdered poisonous trioxide of arsenic;
used in manufacturing glass and as a pesticide (rat poison) and weed killer (Freq. 1)
• Syn:
arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane
• Derivationally related forms:
arsenical
• Hypernyms:
trioxide
2. 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
• Syn:
As, atomic number 33
• Derivationally related forms:
arsenious, arsenical
• Hypernyms:
chemical element, element
• Substance Holonyms:
herbicide, weedkiller, weed killer, insecticide, insect powder,
arsenopyrite, mispickel, orpiment, realgar

• Từ đồng nghĩa / Synonyms:
  As, atomic number 33, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane