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

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There are 19 twelve-letter words containing A, B, H, O, 2R and T

BREAKTHROUGH• breakthrough adj. Characterized by major progress or overcoming some obstacle.
• breakthrough adj. (Immunology) Involving the contraction of a disease by a person with a decreased susceptibility, such…
• breakthrough adj. (Medicine) The emergence or one or more symptoms of a condition despite medication or other medical treatment.
CARBOHYDRATE• carbohydrate n. (Organic chemistry, nutrition) A sugar, starch, or cellulose that is a food source of energy for an animal or plant.
• carbohydrate n. (Colloquial, by extension, metonymically) Any food rich in starch or other carbohydrates.
• CARBOHYDRATE n. a compound of carbon, hydrogen and oxygen; extended to similar compounds, the sugars and starches which form the main source of energy in food.
DRAUGHTBOARD• draughtboard n. A checkerboard used to play draughts.
• DRAUGHTBOARD n. a board for the playing of draughts.
ERYTHORBATES• erythorbates n. Plural of erythorbate.
• ERYTHORBATE n. a salt of erythorbic acid that is used in foods as an antioxidant.
ERYTHROBLAST• erythroblast n. (Cytology) A cell in the bone marrow from which red blood cells develop.
• ERYTHROBLAST n. a cell in bone marrow that develops into an erythrocyte.
HALTERBROKEN• halterbroken v. Past participle of halterbreak.
• HALTERBREAK v. to break (as a colt) to a halter.
HARBORMASTER• harbormaster n. (US, nautical) An official responsible for the enforcement of regulations in a port.
• harbor␣master n. Alternative spelling of harbormaster.
• HARBORMASTER n. one in charge of a harbour.
MOTHERBOARDS• motherboards n. Plural of motherboard.
• MOTHERBOARD n. the board containing the main circuits of an electronic device, especially in computers.
ORTHOBORATES• orthoborates n. Plural of orthoborate.
• ORTHOBORATE n. a salt of orthoboric acid.
OVERBREATHED• overbreathed adj. Breathed too much, or by too many people.
OVERBREATHES• overbreathes v. Third-person singular simple present indicative form of overbreathe.
SCRATCHBOARD• scratchboard n. (Art) A technique in which drawings are created using sharp knives and tools for etching into a thin…
• SCRATCHBOARD n. a scraperboard.
SUBARRHATION• subarrhation n. (Historical) The ancient custom of betrothal by gift of pledges.
• SUBARRHATION n. an ancient form of betrothal in which pledges of money, rings, etc. were given by the man to the woman, also SUBARRATION.
THARBOROUGHS• THARBOROUGH n. (Shakespeare) a mispronunciation of thirdborough, also FARBOROUGH.
TORCHBEARERS• torchbearers n. Plural of torchbearer.
• TORCHBEARER n. one that carries a torch.
TURBOCHARGED• turbocharged adj. Having a turbocharger.
• turbocharged v. Simple past tense and past participle of turbocharge.
• TURBOCHARGED adj. equipped with a turbocharger.
TURBOCHARGER• turbocharger n. Inlet air compressor for an internal combustion engine (either Otto or Diesel cycle), powered from the exhaust air.
• TURBOCHARGER n. a centrifugal blower driven by exhaust gas turbines and used to supercharge an engine.
TURNBROACHES• turnbroaches n. Plural of turnbroach.
• TURNBROACH n. a turnspit.
WEATHERBOARD• weatherboard n. (Nautical) The windward side of a vessel.
• weatherboard n. (Nautical) A plank placed over an opening to keep out driven water.
• weatherboard n. Any of a series of horizontal boards used to cover the exterior of a timber-framed building; clapboard.

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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