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List of 13-letter words containing

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There are 19 thirteen-letter words containing A, 2D, H and Y

ACETALDEHYDESacetaldehydes n. Plural of acetaldehyde.
ACETALDEHYDE n. a chemical compound.
AMPHIDIPLOIDYamphidiploidy n. The property of being amphidiploid.
AMPHIDIPLOIDY n. the state of being amphidiploid.
BENZALDEHYDESbenzaldehydes n. Plural of benzaldehyde.
BENZALDEHYDE n. oil of bitter almonds.
BLOCKHEADEDLYblockheadedly adv. In a blockheaded way.
BLOCKHEADED adv. stupid.
BUTYRALDEHYDEbutyraldehyde n. (Organic chemistry) The aliphatic aldehyde CH3-CH2-CH2-CHO derived from butane.
BUTYRALDEHYDE n. either of two aldehydes used esp. in making synthetic resins.
CLEARHEADEDLYclearheadedly adv. In a clearheaded manner.
CLEARHEADED adv. having or showing a clear understanding.
COLDHEARTEDLYcoldheartedly adv. Alternative spelling of cold-heartedly.
cold-heartedly adv. In a cold-hearted manner.
COLDHEARTED adv. marked by lack of sympathy, interest, or sensitivity.
DEHYDROGENASEdehydrogenase n. (Biochemistry) Any of several enzymes that catalyze the removal of hydrogen (a proton) from biological compounds.
DEHYDROGENASE n. an enzyme that accelerates the removal of hydrogen from metabolites and its transfer to other substances.
DEHYDROGENATEdehydrogenate v. (Chemistry, transitive) To remove hydrogen from (a substance).
DEHYDROGENATE v. to remove the hydrogen from.
DICHLAMYDEOUSdichlamydeous adj. (Botany) Having two coverings, a calyx and a corolla.
DICHLAMYDEOUS adj. having both a calyx and a corolla.
DIETHYLAMIDESdiethylamides n. Plural of diethylamide.
DIETHYLAMIDE n. as in lysergic acid diethylamide, LSD.
DOWNHEARTEDLYdownheartedly adv. In a downhearted manner.
down-heartedly adv. Alternative form of downheartedly.
DOWNHEARTED adv. downcast, dejected.
FORMALDEHYDESformaldehydes n. Plural of formaldehyde.
FORMALDEHYDE n. a formic aldehyde, formalin.
HARDHEARTEDLYhardheartedly adv. In a hardhearted manner.
hard-heartedly adv. Alternative form of hardheartedly.
HARDHEARTED adv. lacking compassion.
HYDRODYNAMICShydrodynamics n. (Physics) The scientific study of fluids in motion.
HYDRODYNAMICS n. the study of movement in liquids, also HYDROMECHANICS.
HYDROMEDUSANSHYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID.
KINDHEARTEDLYkindheartedly adv. In a kindhearted manner.
kind-heartedly adv. Alternative form of kindheartedly.
KINDHEARTED adv. having or showing a sympathetic nature.
UNDERHANDEDLYunderhandedly adv. In an underhanded manner.
under-handedly adv. Alternative form of underhandedly.
UNDERHANDED adv. devious.
WRONGHEADEDLYwrongheadedly adv. In a wrongheaded manner.
wrong-headedly adv. Alternative spelling of wrongheadedly.
WRONGHEADED adv. stubborn in adherence to wrong opinion or principles.

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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See this list for:

  • English Wiktionary: 229 words
  • Scrabble in French: 15 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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