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List of 12-letter words containing

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There are 13 twelve-letter words containing D, N, O, P, R and X

ENDOPEROXIDEendoperoxide n. (Chemistry, biochemistry) Any heterocycle containing a peroxide -O-O- residue in the ring; found especially…
ENDOPEROXIDE n. any of various biosynthetic intermediates in the formation of prostaglandins.
EXPEDITIONERexpeditioner n. One who goes on an expedition.
GROUNDPROXESGROUNDPROX n. an altitude warning system in aircraft.
OVEREXPANDEDoverexpanded v. Simple past tense and past participle of overexpand.
OVEREXPAND v. to expand excessively.
PARADOXIDIANPARADOXIDIAN adj. belonging to the Paradoxides, a Middle Cambrian genus of trilobites.
PARADOXURINEparadoxurine adj. Of, or pertaining to, the genus Paradoxurus.
PARADOXURINE n. any of a number of palm civet species.
PEROXIDATIONperoxidation n. (Chemistry) Any oxidation reaction, especially of an oxide, that produces a peroxide.
peroxidation n. (Organic chemistry) The reaction of a double bond with a peroxide.
PEROXIDATION n. the creation of a peroxide.
PEROXIDISINGperoxidising v. Present participle of peroxidise.
PEROXIDISE v. to oxidize to the utmost degree, so as to form a peroxide, also PEROXIDIZE.
PEROXIDIZINGperoxidizing v. Present participle of peroxidize.
PEROXIDIZE v. to oxidize to the utmost degree, so as to form a peroxide, also PEROXIDISE.
PYRIDOXAMINEpyridoxamine n. (Biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.
UNDEREXPLOITunderexploit v. To exploit insufficiently.
UNDEREXPLOIT v. to make insufficient use of.
UNDEREXPOSEDunderexposed v. Simple past tense and past participle of underexpose.
UNDEREXPOSE v. to expose insufficiently.
UNDEREXPOSESunderexposes v. Third-person singular simple present indicative form of underexpose.
UNDEREXPOSE v. to expose insufficiently.

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 WikWik.org and 1Word.ws.

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