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List of 13-letter words containing

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There are 7 thirteen-letter words containing K, 2O, P, R and T

AEROPLANKTONSAEROPLANKTON n. minute organisms carried in the air.
CRYOPLANKTONSCRYOPLANKTON n. minute organisms, esp. algae, living in ice, snow, or icy water.
MEROPLANKTONSmeroplanktons n. Plural of meroplankton.
MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton.
MICROPLANKTONmicroplankton n. Microscopic zooplankton.
MICROPLANKTON n. very small plankton.
ORTHOPINAKOIDORTHOPINAKOID n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal and the vertical axis.
POIKILOTHERMSpoikilotherms n. Plural of poikilotherm.
POIKILOTHERM n. an organism that takes on the temperature of its surroundings.
POIKILOTHERMYpoikilothermy n. (Biology) The quality of having a body temperature that varies or fluctuates, depending on the temperature…
POIKILOTHERMY n. the state of being cold-blooded, also POIKILOTHERMISM.

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: 85 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 4 words


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