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List of 15-letter words containing

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There are 6 fifteen-letter words containing A, B, H, O, 2R and U

AUTOBIOGRAPHERSautobiographers n. Plural of autobiographer.
AUTOBIOGRAPHER n. one who writes autobiographies.
BRACHIOSAURUSESbrachiosauruses n. Plural of brachiosaurus.
BRACHIOSAURUS n. any member of a genus of huge lizard-hipped plant-eating dinosaurs.
HYDROXYBUTYRATEhydroxybutyrate n. (Chemistry) any salt or ester of hydroxybutyric acid, but especially of gamma-hydroxybutyric acid.
HYDROXYBUTYRATE n. as in gamma hydroxybutyrate, a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac.
INTERBEHAVIOURSinterbehaviours n. Plural of interbehaviour.
INTERBEHAVIOUR n. interaction between multiple individuals, also INTERBEHAVIOR.
SUBSTRATOSPHEREsubstratosphere n. The area of the atmosphere directly below the stratosphere.
SUBSTRATOSPHERE n. the area of the atmosphere below the stratosphere.
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.

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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