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There are 13 thirteen-letter words containing H, 3O, T and X

CHEMOTAXONOMYchemotaxonomy n. (Biochemistry, genetics) The classification or taxonomy of organisms based on differences and similarities…
CHEMOTAXONOMY n. the classification of plants and animals based on similarities and differences in biochemical composition.
NONORTHODOXESSorry, definition not available.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PHOTOOXIDISEDPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDISESPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDIZEDphotooxidized v. Simple past tense and past participle of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOOXIDIZESphotooxidizes v. Third-person singular simple present indicative form of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOTOXICITYphototoxicity n. Any adverse effect due to exposure to light, especially such effects on the skin.
PHOTOTOXICITY n. the state of being phototoxic.
TOXICOPHAGOUSTOXICOPHAGOUS adj. eating poison, also TOXIPHAGOUS.
TOXICOPHOBIASTOXICOPHOBIA n. the morbid fear of poisoning, also TOXIPHOBIA.
ULTRAORTHODOXultraorthodox adj. Very orthodox, chiefly among Jewish sects.
ultra-Orthodox adj. (Of a Jew) Very strictly observant; Haredi; being either Hasidic or Litvish (Misnagdic).
ULTRAORTHODOX adj. extremely orthodox.
UNORTHODOXIESunorthodoxies n. Plural of unorthodoxy.
UNORTHODOXY n. the state of being unorthodox.
XANTHOCHROOUSxanthochroous adj. Yellow‐skinned; of or pertaining to Xanthochroi.
XANTHOCHROOUS adj. exhibiting xanthochroism, a condition in which all pigments other than yellow disappear, also XANTHOCHROIC.

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: 48 words
  • Scrabble in French: no word
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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