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List of 12-letter words containing

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There are 17 twelve-letter words containing A, H, L, 3O and T

ACOLOUTHOSESACOLOUTHOS n. (historical) the head of the Varangian guard of the Byzantine emperors, also AKOLOUTHOS, AKOLUTHOS.
AKOLOUTHOSESAKOLOUTHOS n. (historical) the head of the Varangian guard of the Byzantine emperors, also ACOLOUTHOS, AKOLUTHOS.
ANTHROPOLOGYanthropology n. The holistic scientific and social study of humanity, mainly using ethnography as its method.
ANTHROPOLOGY n. the science of human beings.
CHROMATOLOGYchromatology n. The scientific study of colour.
CHROMATOLOGY n. the science of colour.
ECHOLOCATIONecholocation n. The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar.
ECHOLOCATION n. determining the position of objects by means of supersonic vibrations echoed from them, as a bat does.
HOLOPLANKTONholoplankton n. (Biology) Any organism that spends all of its life-cycle as plankton.
HOLOPLANKTON n. organisms which remain as plankton throughout their whole life cycle.
HOMOLOGATINGhomologating v. Present participle of homologate.
HOMOLOGATE v. to sanction, allow esp. officially.
HOMOLOGATIONhomologation n. (Organic chemistry) Any reaction that converts a compound into the next member of a homologous series…
homologation n. (Law) Official certification.
HOMOLOGATION n. confirmation, agreement.
HOMOPOLARITYHOMOPOLARITY n. the state of being homopolar.
LOPHOPHORATElophophorate adj. (Zoology) Having a lophophore.
lophophorate n. (Zoology) A member of the Lophophorata, a clade of invertebrate animals.
LOPHOPHORATE adj. of or like a lophophore, a ring of ciliated tentacles round the mouth of some sedentary marine animals.
ODONTOPHORALodontophoral adj. Relating to the odontophore.
ODONTOPHORAL adj. of or like an odontophore, the rasping apparatus in molluscs, also ODONTOPHORAN.
OPHIOLATROUSophiolatrous adj. Snake-worshipping.
OPHIOLATROUS adj. worshipping snakes.
ORTHOGONALLYorthogonally adv. In an orthogonal manner; perpendicularly; at right angles.
ORTHOGONAL adv. at right angles; unrelated or independent of each other.
PATHOBIOLOGYpathobiology n. (Biology) The branch of biology that deals with pathology with greater emphasis on the biological than…
pathobiology n. (Medicine) pathology (in any of its senses: study of disease, instance of disease, mechanism of disease).
pathobiology n. (Medicine) The biologic explanations of pathogenesis, to include both pathoanatomy and pathophysiology.
PHOTOVOLTAICphotovoltaic adj. Producing a voltage when exposed to light.
photo-voltaic adj. Alternative spelling of photovoltaic.
PHOTOVOLTAIC adj. of, relating to, or utilizing the generation of a voltage when radiant energy falls on the boundary between dissimilar substances (as two different semiconductors).
THIOALCOHOLSthioalcohols n. Plural of thioalcohol.
THIOALCOHOL n. another name for a thiol.
ZOOPATHOLOGYzoopathology n. Animal pathology; veterinary pathology.
zoöpathology n. Alternative form of zoopathology.
ZOOPATHOLOGY n. the study of animal diseases.

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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