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List of 12-letter words containing

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There are 18 twelve-letter words containing 3O, P, R, T and U

ARTHROPODOUSARTHROPODOUS adj. of or like an arthropod, also ARTHROPODAL, ARTHROPODAN.
COLEOPTEROUScoleopterous adj. Of or pertaining to beetles of the order Coleoptera.
COLEOPTEROUS adj. pertaining to beetles and weevils; having hard anterior wings.
COLOURPOINTScolourpoints n. Plural of colourpoint.
COLOURPOINT n. a breed of domestic cat, also COLORPOINT.
COPRODUCTIONcoproduction n. A production in which two or more people, groups or companies work together.
co-production n. Alternative form of coproduction.
COPRODUCTION n. a joint production.
COUNTERPROOFcounterproof n. (Printing) The inverted image of an original proof.
counterproof n. (Logic) A proof that contradicts a given statement.
COUNTERPROOF n. an inverted impression obtained from a newly printed proof of an engraving, by laying it, while the ink is still wet, upon plain paper, and passing it through the press.
GASTROPODOUSgastropodous adj. Of or pertaining to gastropods (snails and the like).
GASTROPODOUS adj. like a gastropod.
HETEROTOPOUSheterotopous adj. Exhibiting heterotopy.
HETEROTOPOUS adj. relating to heterotopy, displacement of an organ of the body, also HETEROTOPIC.
OBSTROPALOUSobstropalous adj. Alternative form of obstropulous.
OBSTROPALOUS adj. (colloquial) noisy, unruly, also OBSTREPEROUS, OBSTROPULOUS.
OBSTROPULOUSobstropulous adj. (UK, obsolete, slang) Synonym of obstreperous.
OBSTROPULOUS adj. (colloquial) noisy, unruly, also OBSTREPEROUS, OBSTROPALOUS.
OPHIOLATROUSophiolatrous adj. Snake-worshipping.
OPHIOLATROUS adj. worshipping snakes.
ORTHOPTEROUSorthopterous adj. (Zoology) Belonging to the Orthoptera.
ORTHOPTEROUS adj. pertaining or belonging to insect order including grasshoppers, crickets, etc.
ORTHOTROPOUSorthotropous adj. (Botany, of an ovule) Growing straight and having the micropyle at the apex.
ORTHOTROPOUS adj. growing straight, so that the micropyle is opposite the stalk.
PHOTONEUTRONphotoneutron n. (Physics) Any neutron produced by a photonuclear reaction.
PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PHOTOPRODUCTphotoproduct n. (Chemistry) Any product of a photochemical reaction.
PHOTOPRODUCT n. a product of a photochemical reaction.
POORMOUTHINGpoormouthing v. Present participle of poormouth.
POORMOUTH v. to complain about being poor.
PRODITORIOUSproditorious adj. (Obsolete) Treacherous, traitorous.
PRODITORIOUS adj. traitorous; prone to give away secrets.
PROLOCUTIONSprolocutions n. Plural of prolocution.
PROLOCUTION n. an introductory speech or saying.
TROPOPHILOUStropophilous adj. (Biology) Adapted to seasonal changes.
TROPOPHILOUS adj. flourishing in seasonal extremes of climate.

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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