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There are 4 nine-letter words containing N, O, 2P and 2R| PORPHYRIN | • porphyrin n. (Organic chemistry) Any of a class of heterocyclic compounds containing pyrrole rings arranged in a… • PORPHYRIN n. any of a large group of red or purple crystalline pigments present in plant and animal tissues. | | PRONEPHRA | • PRONEPHROS n. a primitive kidney that disappears early in embryonic development. | | PROPERDIN | • properdin n. (Biochemistry) A protein in human serum that complements part of the immune system. • PROPERDIN n. a natural protein in blood that helps provide immunity to infectious disease. | | UNDERPROP | • underprop v. (Transitive) To prop from beneath; to put a prop under; to support; to uphold, prop up. • UNDERPROP v. to prop from beneath. |
Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America. Definitions are short excerpt from the 1Word.ws and WikWik.org.
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