Simple past tense and past participle of parboil.(verb)
Partially boiled(adjective)
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Use "parboiled" in a sentence
"The only ingredient listed is whole - grain parboiled brown rice."
"Loved the idea of parboiled brown rice, as it is the only rice I use."
"All you really need for a good rösti, however, is some firm potatoes, parboiled to give a soft, melting interior, and fried in plenty of hot butter and goose fat until crisp, and a few mountains to climb to work up an appetite."