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List of 15-letter words containing

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There are 9 fifteen-letter words containing E, I, L, N, S, T and 2Y

HYPOCRYSTALLINEhypocrystalline adj. (Geology, of igneous rocks) having both glass and crystalline components.
HYPOCRYSTALLINE adj. of igneous rocks, having both glass and crystalline components.
NONHYSTERICALLYSorry, definition not available.
POLYCRYSTALLINEpolycrystalline adj. Composed of an aggregate of very small crystals in random orientations.
POLYCRYSTALLINE adj. consisting of crystals variously oriented.
POLYSYNTHESISMSPOLYSYNTHESISM n. the state of being polysynthetic.
POLYSYNTHETICALpolysynthetical adj. Alternative form of polysynthetic.
POLYSYNTHETICAL adj. made up of many separate elements, also POLYSYNTHETIC.
POLYSYNTHETISMSPOLYSYNTHETISM n. the state of being polysynthetic.
PRESYNAPTICALLYpresynaptically adv. In a presynaptic manner.
PRESYNAPTIC adv. relating to a neuron by which a nerve impulse is conveyed to a synapse.
SYNERGISTICALLYsynergistically adv. In a synergistic manner.
SYNERGISTIC adv. showing synergy.
UNSYMMETRICALLYunsymmetrically adv. In an unsymmetrical way.
UNSYMMETRICAL adv. not symmetrical.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 47 words
  • Scrabble in French: 4 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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