Wordnet polsko-angielski 
                         (a white powdered poisonous trioxide of arsenic
used in manufacturing glass and as a pesticide (rat poison) and weed killer) 
arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane 
synonim: arszenik
synonim: tritlenek diarsenu
synonim: tritlenek arsenu
Słownik medyczny polsko-angielski Iwona Kienzler
                        arsenic trioxide