1. (noun) arsenic, As, 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
Synonyms: ratsbane, atomic number 33, arsenic, arsenous oxide, arsenous anhydride, white arsenic, arsenic trioxide
2. (adverb) American Samoa, Eastern Samoa, AS
a United States territory on the eastern part of the island of Samoa
Synonyms: atomic number 33, arsenic
3. (adverb) equally, as, every bit
to the same degree (often followed by `as')
Synonyms: every bit, as, equally, evenly
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Synonyms and Antonyms of AS 
