Wordnet polsko-angielski 
                         (any 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) 
chemical element, element 
synonim: pierwiastek
Praktyczny słownik religijny polsko-angielski 2005, Krzysztof Czekierda
                        chemical element