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List of 15-letter words containing

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There are 20 fifteen-letter words containing A, B, H, I, 2R and T

ARCHAEBACTERIUMarchaebacterium n. Any primitive bacteria-like organism in the kingdom Archaea.
archæbacterium n. (Rare) Alternative spelling of archaebacterium.
ARCHAEBACTERIUM n. any of the microorganisms comprising the archaea.
AUTOBIOGRAPHERSautobiographers n. Plural of autobiographer.
AUTOBIOGRAPHER n. one who writes autobiographies.
BIOSTRATIGRAPHYbiostratigraphy n. (Biology, geology) The study of the stratigraphic distribution of fossils.
BIOSTRATIGRAPHY n. the determination of age, etc., of sedimentary strata from fossils which they contain.
BRACHISTOCHRONEbrachistochrone n. (Mathematics) A cycloid; the curve of fastest descent between two points.
BRACHISTOCHRONE n. the curve along which a particle acted on by a force (e.g. gravity) will pass in the shortest time from one given point to another.
BRACHYTHERAPIESbrachytherapies n. Plural of brachytherapy.
BRACHYTHERAPY n. a medical procedure used in the treatment of prostate cancer.
BREATHARIANISMSBREATHARIANISM n. the belief that human beings can be sustained solely by prana, a vital force in the breath.
BRONCHODILATORSbronchodilators n. Plural of bronchodilator.
BRONCHODILATOR n. a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages.
CHARACTERISABLEcharacterisable adj. Alternative spelling of characterizable.
CHARACTERISABLE adj. able to be characterised, also CHARACTERIZABLE.
CHARACTERIZABLEcharacterizable adj. Able to be characterized.
CHARACTERIZABLE adj. able to be characterized, also CHARACTERISABLE.
DORSIBRANCHIATEdorsibranchiate adj. (Zoology) Having branchiae along the back; belonging to the Dorsibranchiata.
dorsibranchiate n. (Zoology) Any of the Dorsibranchiata.
DORSIBRANCHIATE adj. having gills on the back.
HEARTBREAKINGLYheartbreakingly adv. In a heartbreaking manner.
heart-breakingly adv. In a heart-breaking manner.
HEARTBREAKING adv. causing intense sorrow or distress.
INTERBEHAVIORALinterbehavioral adj. Between behaviors; applied to a naturalistic, non-dualistic form of psychology.
INTERBEHAVIORAL adj. relating to interbehavior.
INTERBEHAVIOURSinterbehaviours n. Plural of interbehaviour.
INTERBEHAVIOUR n. interaction between multiple individuals, also INTERBEHAVIOR.
PROBATIONERSHIPprobationership n. The state of being a probationer; novitiate.
PROBATIONERSHIP n. the state of being a probationer.
SCRATCHBUILDERSSCRATCHBUILDER n. one who scratchbuilds, builds models from raw materials, as opposed to constructing from kits or buying ready made.
TETRABRANCHIATEtetrabranchiate adj. (Zoology) Of or relating to the Tetrabranchiata; having four gills.
tetrabranchiate n. (Zoology) Any of the Tetrabranchiata.
TETRABRANCHIATE n. any mollusc belonging to the Tetrabranchia, with four gills.
THIOBARBITURATEthiobarbiturate n. (Medicine) Any compound obtained from a barbiturate by the formal substitution of an oxygen atom by one of sulfur.
THIOBARBITURATE n. a salt of thiobarbituric acid similar in effect to a barbiturate.
TRIBROMOETHANOLtribromoethanol n. An anaesthetic now mainly used in laboratory animals.
TRIBROMOETHANOL n. a soluble white crystalline compound with a slight aromatic odour, used as a general anaesthetic.
TRIBROMOMETHANEtribromomethane n. (Organic chemistry) bromoform.
TRIBROMOMETHANE n. another name for bromoform, a bromine compound analogous to chloroform.
WEATHERBOARDINGweatherboarding n. (Architecture) A type of wooden siding in which a house is sided with long, thin, overlapping boards.
WEATHERBOARD v. to fit such a board.

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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