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 There are 16 twelve-letter words containing A, D, 2E, H, L, T and Y| ACETALDEHYDE | • acetaldehyde n. (Organic chemistry) An organic compound, (CH3CHO). Sometimes called ethanal or acetic aldehyde. See… • ACETALDEHYDE n. a chemical compound.
 |  | BIGHEARTEDLY | • bigheartedly adv. In a bighearted manner. • big-heartedly adv. Alternative form of bigheartedly.
 • BIGHEARTED adv. generous, charitable.
 |  | BREATHALYSED | • breathalysed v. Simple past tense and past participle of breathalyse, an alternative spelling of breathalyze. • BREATHALYSE v. to use a device which measures the amount of alcohol on a person's breath, also BREATHALYZE.
 |  | BREATHALYZED | • breathalyzed v. Simple past tense and past participle of breathalyze. • BREATHALYZE v. to use a device which measures the amount of alcohol on a person's breath, also BREATHALYSE.
 |  | DEMETHYLATED | • demethylated v. Simple past tense and past participle of demethylate. • demethylated adj. (Chemistry) That has been subjected to demethylation.
 |  | DEMETHYLATES | • demethylates v. Third-person singular simple present indicative form of demethylate. |  | DIETHYLAMIDE | • diethylamide n. (Organic chemistry) The derivative of a compound formed by adding an amide group with two ethyl substituents… • DIETHYLAMIDE n. as in lysergic acid diethylamide, LSD.
 |  | DIETHYLAMINE | • diethylamine n. (Organic chemistry) The secondary amine (CH3CH2)2NH. • DIETHYLAMINE n. a liquid resembling ethylamine, derived from ammonia, with ethyl groups replacing two hydrogen atoms.
 |  | HEADMASTERLY | • headmasterly adj. In a manner befitting a headmaster. • HEADMASTERLY adj. like a headmaster.
 |  | HEREDITARILY | • hereditarily adv. In a hereditary manner. • hereditarily adv. With regard to inheritance.
 • HEREDITARY adv. genetically transmitted or transmittable from parent to offspring.
 |  | HETERODACTYL | • heterodactyl adj. (Zoology) heterodactylous. • HETERODACTYL n. a heterodactylous bird.
 |  | MEALYMOUTHED | • mealymouthed adj. Alternative form of mealy-mouthed. • mealy-mouthed adj. Prone to speaking evasively, indirectly, or duplicitously; not forthright.
 • MEALYMOUTHED adj. not plain and straightforward.
 |  | METALDEHYDES | • METALDEHYDE n. a polymer of acetaldehyde. |  | REHYDRATABLE | • rehydratable adj. Capable of being rehydrated. • REHYDRATABLE adj. capable of being rehydrated.
 |  | SOFTHEADEDLY | • softheadedly adv. In a softheaded manner. • SOFTHEADED adv. having or indicative of a weak, unrealistic, or uncritical mind.
 |  | SYNADELPHITE | • synadelphite n. (Mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, lead, magnesium… • SYNADELPHITE n. a manganese aluminium arsenate.
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 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.
 
 See this list for:English Wiktionary: 72 wordsScrabble in French: 3 wordsScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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