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List of 15-letter words containing

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There are 18 fifteen-letter words containing L, N, O, 2P, R and Y

ENCEPHALOGRAPHYencephalography n. (Medicine) An X-ray examination of the brain in which air replaces some of the cerebrospinal fluid to…
ENCEPHALOGRAPHY n. radiography of the brain after the cerebrospinal fluid has been replaced by a gas (as air).
HYPERPOLARISINGhyperpolarising v. Present participle of hyperpolarise.
HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE.
HYPERPOLARIZINGhyperpolarizing v. Present participle of hyperpolarize.
HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE.
INAPPROPRIATELYinappropriately adv. In an inappropriate manner.
INAPPROPRIATE adv. not appropriate, also UNAPPROPRIATE.
MORPHOPHONOLOGYmorphophonology n. A branch of linguistics concerned with phonemes, and the phonological representation of morphemes.
MORPHOPHONOLOGY n. the study of the phonemic shape and the phonological representation of a language's morphemes.
PALAEONTOGRAPHYpalaeontography n. The description of fossil remains in scientific literature.
palaeontography n. The representation of forms of life represented by fossil remains.
PALAEONTOGRAPHY n. descriptive palaeontology, the description of fossil remains.
PHOSPHORYLATINGphosphorylating v. Present participle of phosphorylate.
phosphorylating adj. That phosphorylates.
PHOSPHORYLATE v. to cause (an organic compound) to take up or combine with phosphoric acid or a phosphorus-containing group.
PHOSPHORYLATIONphosphorylation n. (Biochemistry) the process of transferring a phosphate group from a donor to an acceptor; often catalysed by enzymes.
PHOSPHORYLATION n. the process of phosphorylating a chemical compound.
PLENIPOTENTIARYplenipotentiary n. A person invested with full powers, especially as the diplomatic agent of a sovereign state, (originally)…
plenipotentiary adj. Invested with full power.
plenipotentiary adj. Of or relating to a plenipotentiary agent.
POLYCHLOROPRENEpolychloroprene n. (Organic chemistry) A polymer of chloroprene.
POLYCHLOROPRENE n. neoprene.
PREPOSITIONALLYprepositionally adv. In a prepositional manner.
prepositionally adv. As a preposition.
PREPOSITIONAL adv. relating to a preposition.
PREPOSSESSINGLYprepossessingly adv. In a prepossessing manner.
PREPOSSESSING adv. creating a favorable impression; attractive.
PROPORTIONALITYproportionality n. (Uncountable) the property of being proportional.
proportionality n. (Uncountable) the principle that government action ought to be proportional to the ends achieved (e…
proportionality n. (Countable) the degree to which something is in proportion.
PROPORTIONATELYproportionately adv. In a proportionate manner; with due proportion; proportionally.
PROPORTIONATE adv. in proportion.
PROPOSITIONALLYpropositionally adv. In a propositional manner.
PROPOSITIONAL adv. of the nature of a proposition.
PROPYLITISATIONPROPYLITISATION n. the process of propylitising, also PROPYLITIZATION.
PROPYLITIZATIONpropylitization n. (Geology) The alteration of minerals and ores at low temperature and pressure.
PROPYLITIZATION n. the process of propylitizing, also PROPYLITISATION.
SULPHINPYRAZONEsulphinpyrazone n. Alternative form of sulfinpyrazone.
SULPHINPYRAZONE n. a drug used to treat gout.

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: 134 words
  • Scrabble in French: 6 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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