. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Wordnet Synset 14647071-n" . . . . . . . . . . . . . . . . . . . "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" . .