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There are 9 thirteen-letter words containing H, L, N, 3O, R and T

CHRONOLOGISTSchronologists n. Plural of chronologist.
CHRONOLOGIST n. an expert in chronology, also CHRONOLOGER.
NEUROETHOLOGYneuroethology n. The study of animal behavior and its underlying control by the nervous system.
NEUROETHOLOGY n. the description of features of animal behaviour in terms of the mechanisms of the nervous system.
ORNITHOLOGIESornithologies n. Plural of ornithology.
ORNITHOLOGY n. the study of birds.
ORNITHOLOGISTornithologist n. A person who studies or practices ornithology.
ORNITHOLOGIST n. one who studies birds.
ORTHODIAGONALorthodiagonal n. (Crystallography) The diagonal or lateral axis in a monoclinic crystal which is at right angles with…
ORTHODIAGONAL n. in a monoclinic crystal, that lateral axis which is perpendicular to the vertical axis.
ORTHOGONALISEorthogonalise v. Alternative form of orthogonalize.
ORTHOGONALISE v. to make orthogonal, also ORTHOGONALIZE.
ORTHOGONALITYorthogonality n. (Mathematics, statistics, software engineering) The property of being orthogonal.
ORTHOGONALITY n. the state of being orthogonal.
ORTHOGONALIZEorthogonalize v. (Transitive) To make orthogonal.
ORTHOGONALIZE v. to make orthogonal, also ORTHOGONALISE.
PHOTOELECTRONphotoelectron n. (Physics) An electron ejected from the surface of a material by the photoelectric effect.
PHOTOELECTRON n. an electron released from a surface by a photon.

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: 64 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 3 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 24 words


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