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List of 12-letter words containing

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There are 18 twelve-letter words containing A, E, H, M, O, P and U

AMPHICOELOUSamphicoelous adj. (Zoology, of vertebrae) Having both ends concave; biconcave.
AMPHICOELOUS adj. of the vertebrae of most fishes and some amphibians, concave at the anterior and posterior ends.
ANEMOPHILOUSanemophilous adj. (Botany) Pollinated by the wind.
ANEMOPHILOUS adj. pollinated by wind.
ARCHESPORIUMarchesporium n. (Botany) Any of the cells of the sporangium that give rise to spores.
ARCHESPORIUM n. a primitive cell or group of cells from which a mother cell develops.
CHEMOAUTROPHCHEMOAUTROPH n. any organism, e.g. bacteria, that produces energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide, also CHEMOAUTOTROPH.
EXOPHTHALMUSexophthalmus n. Alternative form of exophthalmos.
Exophthalmus prop.n. A taxonomic genus within the family Curculionidae – certain broad-nosed weevils.
EXOPHTHALMUS n. abnormal protrusion of the eyeball, also EXOPHTHALMOS.
IMPOSTHUMATEimposthumate v. To apostemate; to form an imposthume or abscess.
IMPOSTHUMATE v. to form or inflict an abscess, also IMPOSTUMATE.
MELLIPHAGOUSmelliphagous adj. Alternative spelling of meliphagous.
MELLIPHAGOUS adj. feeding upon honey, also MELIPHAGOUS.
METAMORPHOUSmetamorphous adj. Metamorphic.
METAMORPHOUS adj. of or relating to metamorphosis (especially of rocks).
MONADELPHOUSmonadelphous adj. (Botany) Having all its stamens within a flower fused together at least partly by the filaments.
MONADELPHOUS adj. united by filaments into a single stamen.
PACHYDERMOUSPACHYDERMOUS adj. thick-skinned, also PACHYDERMATOUS.
PHAENOGAMOUSphaenogamous adj. (Botany) Having true flowers with distinct floral organs; flowering.
PHAENOGAMOUS adj. of or like a phaenogam, a flowering plant, also PHAENOGAMIC.
PHLEGMAGOGUEphlegmagogue n. (Obsolete) Any medicine supposed to expel phlegm.
PHLEGMAGOGUE n. a phlegm-expelling drug.
PLEIOCHASIUMpleiochasium n. (Botany) An inflorescence in which several buds come out at the same time.
PLEIOCHASIUM n. a cymose inflorescence in which each branch bears more than two lateral branches.
PNEUMATHODESPNEUMATHODE n. a band or pore or aerating tissue, esp. along the stipes of ferns.
PNEUMOGRAPHSpneumographs n. Plural of pneumograph.
PNEUMOGRAPH n. an instrument for measuring and recording respiration.
PNEUMOTHORAXpneumothorax n. (Medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.
PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity.
SULPHONAMIDEsulphonamide n. (British spelling, pharmacology) Alternative spelling of sulfonamide.
SULPHONAMIDE n. an organic amide of a sulphonic acid; specifically any of the drugs derived from sulphanilamide.
THAUMATROPESthaumatropes n. Plural of thaumatrope.
THAUMATROPE n. an optical toy in which pictures on both sides of a card are seen to combine when the card is rotated rapidly.

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 1Word.ws and WikWik.org.

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