List of 13-letter words containing ••••••

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There are 17 thirteen-letter words containing 3O, P, R, T and U

ARTHROSPOROUS	• arthrosporous adj. Relating to arthrospores. • ARTHROSPOROUS adj. of or like an arthrospore, also ARTHROSPORIC.
BOUSTROPHEDON	• boustrophedon adv. (Historical, calligraphy, of writing) In a fashion such that the reading direction changes from right-to-left… • boustrophedon adj. (Historical, calligraphy, of writing) Written from right-to-left and left-to-right on alternate lines. • boustrophedon adj. (Figuratively) Changing direction, going back and forth.
COPRODUCTIONS	• coproductions n. Plural of coproduction. • COPRODUCTION n. a joint production.
COUNTERPROOFS	• counterproofs n. Plural of counterproof. • 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.
FLUOROSCOPIST	• fluoroscopist n. One who carries out fluoroscopy. • FLUOROSCOPIST n. one who uses a fluoroscope.
GASTEROPODOUS	• gasteropodous adj. Obsolete form of gastropodous. • GASTEROPODOUS adj. like a gasteropod.
HETEROSPOROUS	• heterosporous adj. (Botany, of an organism) Producing both male and female gametophytes. • HETEROSPOROUS adj. producing two different sizes or kinds of spores.
ODONTOPHOROUS	• odontophorous adj. (Zoology) Having an odontophore. • ODONTOPHOROUS adj. of or like an odontophore, the rasping apparatus in molluscs.
OMMATOPHOROUS	• OMMATOPHOROUS adj. of or like ommatophore, an eyestalk, as in snails.
OSTREOPHAGOUS	• ostreophagous adj. Oyster-eating. • OSTREOPHAGOUS adj. oyster-eating.
PHOTONEUTRONS	• photoneutrons n. Plural of photoneutron. • PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PHOTOPRODUCTS	• photoproducts n. Plural of photoproduct. • PHOTOPRODUCT n. a product of a photochemical reaction.
PLAGIOTROPOUS	• PLAGIOTROPOUS adj. showing plagiotropism, the tendency to grow at an oblique or horizontal angle.
POSTBOURGEOIS	• postbourgeois adj. (In Marxist philosophy) Relating to a period of society following the decline of the bourgeoisie. • POSTBOURGEOIS adj. belonging to a period of society after the bourgeoisie.
PROTANOMALOUS	• protanomalous adj. Having or relating to protanomaly. • PROTANOMALOUS adj. afflicted with protanomaly, a form of colour blindness in which there is a decreased response to red.
PROTEROGYNOUS	• proterogynous adj. (Botany) Having the pistil come to maturity before the stamens; protogynous. • PROTEROGYNOUS adj. exhibiting proterogyny.
TAUROMORPHOUS	• tauromorphous adj. Bull-shaped. • TAUROMORPHOUS adj. bull-shaped.

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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See this list for:

English Wiktionary: 104 words
Scrabble in French: 21 words
Scrabble in Spanish: 12 words
Scrabble in Italian: 25 words
Scrabble in German: no word
Scrabble in Romanian: 71 words

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