List of 15-letter words containing •••••••

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There are 19 fifteen-letter words containing A, I, 2O, P, 2R and U

AUTOBIOGRAPHERS	• autobiographers n. Plural of autobiographer. • AUTOBIOGRAPHER n. one who writes autobiographies.
AUTORADIOGRAPHS	• autoradiographs n. Plural of autoradiograph. • AUTORADIOGRAPH n. an autoradiographic record, also RADIOAUTOGRAPH.
AUTORADIOGRAPHY	• autoradiography n. The process of making autoradiographs. • AUTORADIOGRAPHY n. a technique used to show the distribution of radioactively labelled molecules in cells or tissues.
CARDIOPULMONARY	• cardiopulmonary adj. (Medicine) Of or pertaining to both the heart and the lungs. • CARDIOPULMONARY adj. of or relating to the heart and lungs.
DRAUGHTPROOFING	• draughtproofing n. The material which is used to make something draughtproof. • draughtproofing n. The act of making something draughtproof. • draughtproofing v. Present participle of draughtproof.
MACROSPORANGIUM	• macrosporangium n. (Botany) A megasporangium; sporangium or conceptacle containing only large spores; opposed to microsporangium. • MACROSPORANGIUM n. a sporangium producing only megaspores.
MICROSPORANGIUM	• microsporangium n. (Botany) A case, capsule or container that holds microspores. • MICROSPORANGIUM n. the sporangium in heterosporous plants where the microspores develop.
OVERPERSUASIONS	• overpersuasions n. Plural of overpersuasion. • OVERPERSUASION n. excessive persuasion.
PROCURATORSHIPS	• procuratorships n. Plural of procuratorship. • PROCURATORSHIP n. the office of procurator.
PROTOSPATHARIUS	• protospatharius n. Alternative form of protospatharios. • PROTOSPATHARIUS n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHAIRE.
PSEUDOARTHROSIS	• pseudoarthrosis n. Alternative form of pseudarthrosis. • PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS.
RADIOAUTOGRAPHS	• radioautographs n. Plural of radioautograph. • RADIOAUTOGRAPH n. an autoradiographic record, also AUTORADIOGRAPH.
RADIOAUTOGRAPHY	• radioautography n. Autoradiography. • RADIOAUTOGRAPHY n. the use of radioautographs.
RADIOPHOSPHORUS	• radiophosphorus n. Radioactive phosphorus (especially when used as a tracer). • RADIOPHOSPHORUS n. a radioactive isotope of phosphorus.
SUPEREROGATIONS	• supererogations n. Plural of supererogation. • SUPEREROGATION n. the act of performing more than is required by duty, obligation or need.
SUPERORDINATION	• superordination n. The ordination of a person to fill a station already occupied; especially, the ordination by an ecclesiastical… • superordination n. (Logic) The relation of a universal proposition to a particular proposition in the same terms. • SUPERORDINATION n. the relation of a universal proposition to a particular proposition in the same terms.
ULTRAMICROSCOPE	• ultramicroscope n. A microscope that uses bright illumination against a black background to view small particles. • ULTRAMICROSCOPE n. an instrument for viewing extremely small objects.
ULTRAMICROSCOPY	• ultramicroscopy n. The scientific use of the ultramicroscope. • ULTRAMICROSCOPY n. microscopy using an ultramicroscope.
UNPROPORTIONATE	• unproportionate adj. Not proportionate; disproportionate. • UNPROPORTIONATE adj. not proportionate.

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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English Wiktionary: 123 words
Scrabble in French: 33 words
Scrabble in Spanish: 39 words
Scrabble in Italian: 49 words
Scrabble in German: no word
Scrabble in Romanian: 193 words

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