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
to the same degree (often followed by `as'); "they were equally beautiful"; "birds were singing and the child sang as sweetly"; "sang as sweetly as a nightingale"; "he is every bit as mean as she is"
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