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List of 12-letter words containing

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There are 19 twelve-letter words containing E, 2L, 2O, P and Y

EBULLIOSCOPYebullioscopy n. (Physics) the measurement of the boiling point of liquids.
EBULLIOSCOPY n. measurement by use of an ebullioscope.
ENDOPHYLLOUSendophyllous adj. (Botany) Wrapped in a leaf or sheath.
ENDOPHYLLOUS adj. being or formed within a sheathing leaf; living inside a leaf.
MESOPHYLLOUSmesophyllous adj. (Botany) Of moist habitats and having mostly large and soft leaves.
mesophyllous adj. (Botany) Relating to the mesophyllum.
MESOPHYLLOUS adj. of or like a mesophyll, also MESOPHYLLIC.
PALAEBIOLOGYPALAEBIOLOGY n. the study of fossil plants and animals, also PALAEOBIOLOGY, PALEOBIOLOGY.
PALEOBIOLOGYpaleobiology n. The branch of biology or paleontology concerned with the study of fossils of plants and animals.
PALEOBIOLOGY n. a branch of paleontology concerned with the biology of fossil organisms, also PALAEBIOLOGY, PALAEOBIOLOGY.
PALEOECOLOGYpaleoecology n. The ecology of the ancient past and of extinct organisms.
PALEOECOLOGY n. a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals.
PALEONTOLOGYpaleontology n. (American spelling) Study of the forms of life existing in prehistoric or geologic times, especially…
PALEONTOLOGY n. the study of fossils, also PALAEONTOLOGY.
PALEOZOOLOGYpaleozoology n. (Zoology) The branch of zoology dealing with fossils, and the creatures that were transformed into them.
PALEOZOOLOGY n. the study of fossil animals, also PALAEOZOOLOGY.
PALYNOLOGIESPALYNOLOGY n. the scientific study of spores and pollen.
PHOTOLYSABLEphotolysable adj. Capable of photolysis.
PHOTOLYSABLE adj. capable of being photolysed, also PHOTOLYZABLE.
PHOTOLYZABLEphotolyzable adj. Alternative form of photolysable.
PHOTOLYZABLE adj. capable of being photolyzed, also PHOTOLYSABLE.
PLACENTOLOGYplacentology n. (Medicine) The study of the placenta.
PLACENTOLOGY n. the scientific study of placentae.
POLICYHOLDERpolicyholder n. (Insurance) A person who holds an insurance policy, especially the person whose life is insured.
policy␣holder n. Alternative spelling of policyholder.
POLICYHOLDER n. the owner of an insurance policy.
POLYPETALOUSpolypetalous adj. (Botany) having a corolla composed of distinct, separable petals.
POLYPETALOUS adj. separate petals.
POLYPHENOLICpolyphenolic adj. Of, or relating to the polyphenols.
polyphenolic n. A polyphenol, or derivative.
POLYPHENOLIC adj. of or like polyphenol.
POLYPLOIDIESpolyploidies n. Plural of polyploidy.
POLYPLOIDY n. the condition of being polyploid.
POLYSEPALOUSpolysepalous adj. (Botany, of a calyx) having separate sepals.
POLYSEPALOUS adj. having separate sepals.
POLYSILOXANEpolysiloxane n. (Chemistry) Any of many polymers having a siloxane repeat unit.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
TYPHLOLOGIESTYPHLOLOGY n. the study of blindness and the blind.

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: 14 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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