List of 12-letter words containing •••••••

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There are 20 twelve-letter words containing A, C, D, H, I, 2O and R

BRANCHIOPODS	• branchiopods n. Plural of branchiopod. • BRANCHIOPOD n. any of a subclass of Crustacea with numerous flattened, leaf-shaped, lobed swimming-feet.
CHONDROSTIAN	• chondrostian adj. Relating to the chondrosteans. • CHONDROSTIAN n. a member of the Chondrostei, an order of bony fishes including the sturgeon and bichir.
DISCOPHORANS	• DISCOPHORAN n. a jellyfish.
HARMONICHORD	• harmonichord n. (Music) A kind of upright piano whose strings are set in vibration not by the blow of the hammer but… • HARMONICHORD n. a keyboard instrument of violin tone, in which the strings are rubbed by rosined wheels.
HYDROLOGICAL	• hydrological adj. Of or pertaining to hydrology. • HYDROLOGICAL adj. relating to hydrology, also HYDROLOGIC.
HYPOCHONDRIA	• hypochondria n. (Medicine) A psychological disorder characterized by excessive preoccupation or worry about having a serious illness. • hypochondria n. (Obsolete, medicine) Melancholy; depression. • hypochondria n. Plural of hypochondrium.
ICOSAHEDRONS	• icosahedrons n. Plural of icosahedron. • ICOSAHEDRON n. a polyhedron having 20 faces.
MACHAIRODONT	• machairodont n. Any sabre-toothed animal of the subfamily Machairodontinae. • MACHAIRODONT n. a sabre-toothed animal.
MITOCHONDRIA	• mitochondria n. Plural of mitochondrion. • mitochondria n. (Sometimes proscribed) mitochondrion. • MITOCHONDRION n. a cell structure containing enzymes that provide the cell with energy.
ORCHIDACEOUS	• orchidaceous adj. (Botany) Of or pertaining to orchids. • orchidaceous adj. Characterized by ostentatiousness; showy. • ORCHIDACEOUS adj. relating to orchids, also ORCHIDEOUS.
ORCHIDOMANIA	• orchidomania n. An obsession with orchids; enthusiasm for raising or collecting orchids. • ORCHIDOMANIA n. an obsession with orchids.
ORTHOPAEDICS	• orthopaedics n. (Britain) Alternative spelling of orthopedics. • orthopædics n. Obsolete typography of orthopaedics. • ORTHOPAEDICS n. the art or process of curing deformities arising from (originally childhood) disease or injury, also ORTHOPAEDY, ORTHOPEDIA, ORTHOPEDICS, ORTHOPEDY.
ORTHOPEDICAL	• orthopedical adj. (American spelling) Alternative form of orthopaedical. • ORTHOPEDICAL adj. related to orthopedics.
ORTHOVANADIC	• ORTHOVANADIC adj. as in orthovanadic acid.
PAEDOMORPHIC	• paedomorphic adj. Of, relating to, or resulting from the retention of juvenile characteristics by an adult. • pædomorphic adj. Alternative spelling of pedomorphic. • PAEDOMORPHIC adj. of, relating to, involving, or exhibiting paedomorphosis or paedomorphism.
QUADROPHONIC	• quadrophonic adj. Alternative spelling of quadraphonic. • QUADROPHONIC adj. of, relating to, or using four channels for the transmission, recording, or reproduction of sound, also QUADRAPHONIC, QUADRIPHONIC.
RADIOPHONICS	• radiophonics n. (UK, dated) radiophonic sounds and music, or the techniques used to produce them. • RADIOPHONICS n. the business of producing electronic music.
TRICHOMONADS	• trichomonads n. Plural of trichomonad. • TRICHOMONAD n. any of various flagellate protozoans occurring in the digestive and urogenital tracts of vertebrates.
TROCHOIDALLY	• TROCHOIDAL adv. of or pertaining to a trochoid.
XANTHOCHROID	• xanthochroid adj. (Anthropology) Pertaining to the Xanthochroi; having fair hair and a pale complexion. • xanthochroid n. (Anthropology) A member of the Xanthochroi. • XANTHOCHROID n. a blond-haired and blue eyed person with fair white skin.

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: 90 words
Scrabble in French: 9 words
Scrabble in Spanish: 32 words
Scrabble in Italian: 44 words
Scrabble in German: no word
Scrabble in Romanian: 22 words

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