Any substance in its natural state.
Crude oil.
In a natural, untreated state.
Characterized by simplicity, especially something not carefully or expertly made.
Lacking tact or taste.
Lacking concealing elements.
Pertaining to the uninflected stem of a word.
A material in its unprocessed, natural state considered usable for manufacture.
Any physical product serving as input to a factory or other installation which processes it.