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List of 13-letter words containing

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There are 11 thirteen-letter words containing D, H, L, O, S, U and Y

DICHLAMYDEOUSdichlamydeous adj. (Botany) Having two coverings, a calyx and a corolla.
DICHLAMYDEOUS adj. having both a calyx and a corolla.
DICHOTOMOUSLYdichotomously adv. In a dichotomous manner.
DICHOTOMOUS adv. forking into two equal branches.
DISHONOURABLYdishonourably adv. (Britain) Alternative spelling of dishonorably.
DISHONOURABLE adv. not honourable, also DISHONORABLE.
HEXADACTYLOUShexadactylous adj. (Zoology) Having six fingers or toes.
HEXADACTYLOUS adj. having six fingers, also HEXADACTYLIC.
HYALURONIDASEhyaluronidase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of hyaluronic acid.
HYALURONIDASE n. a mucolytic enzyme that facilitates the spread of fluids through tissues by lowering the viscosity of hyaluronic acid.
HYDROCEPHALUShydrocephalus n. (Medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral…
HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY.
HYDROSULPHATEhydrosulphate n. Alternative form of hydrosulfate.
HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate.
HYDROSULPHIDEhydrosulphide n. (Britain) Alternative spelling of hydrosulfide.
HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide.
HYDROSULPHITEhydrosulphite n. Alternative spelling of hydrosulfite.
HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent.
POLYADELPHOUSpolyadelphous adj. (Botany) Having stamens combined in more than two groups.
POLYADELPHOUS adj. of stamens, united in several bundles; having the stamens so united.
POLYSULPHIDESpolysulphides n. Plural of polysulphide.
POLYSULPHIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULFIDE.

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: 63 words
  • Scrabble in French: 5 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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