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There are 17 fifteen-letter words containing I, 2L, N, 3O and R

ANTHROPOLOGICALanthropological adj. Relating to anthropology.
ANTHROPOLOGICAL adj. relating to anthropology, the science of human beings.
CHORIOALLANTOICchorioallantoic adj. Of or pertaining to the chorioallantois.
CHORIOALLANTOIC adj. of or like a chorioallantois, a highly vascularized fetal membrane.
CHORIOALLANTOISchorioallantois n. (Anatomy) The vascular extraembryonic membrane, formed by the fusion of the allantois and the chorion…
CHORIOALLANTOIS n. a highly vascularized fetal membrane.
CHRONOLOGICALLYchronologically adv. (Manner) In a chronological manner; with reference to time.
chronologically adv. (Sequence) In sequence according to time.
CHRONOLOGICAL adv. arranged in order of time, also CHRONOLOGIC.
FLUOROQUINOLONEfluoroquinolone n. Any of a class of antibiotics (fluoro derivatives of quinolone) derived from nalidixic acid.
MICROCONTROLLERmicrocontroller n. (Computing, electronics) A microcomputer on a single chip, used to control some device such as an automobile…
MONTMORILLONITEmontmorillonite n. (Mineralogy) Any of a group of soft, clay-like silicate minerals having many industrial and technical uses.
MONTMORILLONITE n. an alumina-rich clay mineral containing some sodium and magnesium.
NEUROBIOLOGICALneurobiological adj. Of or pertaining to neurobiology, the biological study of nerve and brain function.
neuro-biological n. Alternative spelling of neurobiological.
NEUROBIOLOGICAL adj. relating to neurobiology.
OLIGODENDROGLIAoligodendroglia n. (Anatomy) tissue (neuroglia) consisting of glial cells that are smaller than astrocytes and form the myelin sheath.
OLIGODENDROGLIA n. a glia made up of oligodendrocytes that forms the myelin sheath around axons in the central nervous system.
ORTHODONTICALLYorthodontically adv. By orthodontic means.
ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth.
OVERCONTROLLINGovercontrolling v. Present participle of overcontrol.
OVERCONTROL v. to control excessively.
OVEREMOTIONALLYoveremotionally adv. In an overemotional manner.
PROPOSITIONALLYpropositionally adv. In a propositional manner.
PROPOSITIONAL adv. of the nature of a proposition.
RADIOLOCATIONALradiolocational adj. Relating to radiolocation.
RADIOLOCATIONAL adj. relating to radiolocation, position-finding by radio signals.
RONTGENOLOGICALRONTGENOLOGICAL adj. related to rontgenology.
TRINITROTOLUOLStrinitrotoluols n. Plural of trinitrotoluol.
TRINITROTOLUOL n. a powerful explosive, commonly called TNT, also TRINITROTOLUENE.
UNCHRONOLOGICALunchronological adj. Not chronological.
UNCHRONOLOGICAL adj. not chronological.

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: 117 words
  • Scrabble in French: 26 words
  • Scrabble in Spanish: 10 words
  • Scrabble in Italian: 48 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 220 words


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