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List of 13-letter words containing

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There are 17 thirteen-letter words containing A, C, O, T, X and Y

ARCHAEOPTERYXarchaeopteryx n. Alternative spelling of archeopteryx.
Archaeopteryx prop.n. A taxonomic genus within the family Archaeopterygidae – known from fossils and widely accepted as the…
archæopteryx n. Rare spelling of archeopteryx.
AXIOMATICALLYaxiomatically adv. By the use of axioms; in the form of an axiom.
AXIOMATICAL adv. indisputably true, self-evident, also AXIOMATIC.
CARBOXYLATINGcarboxylating v. Present participle of carboxylate.
CARBOXYLATE v. to introduce carboxyl or carbon dioxide into (a compound) with formation of a carboxylic acid.
CARBOXYLATIONcarboxylation n. (Organic chemistry) Any reaction that introduces a carboxylate group into a molecule.
CARBOXYLATION n. the act of carboxylating.
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.
CYTOTAXONOMICcytotaxonomic adj. (Taxonomy) Relating to cytotaxonomy.
CYTOTAXONOMIC adj. relating to cytotaxonomy.
DECARBOXYLATEdecarboxylate v. (Organic chemistry) To remove one or more carboxyl groups from a molecule.
DECARBOXYLATE v. to remove carbon dioxide from its substrate.
EXCEPTIONABLYexceptionably adv. In an exceptionable manner.
EXCEPTIONABLE adv. being likely to cause objection.
EXCEPTIONALLYexceptionally adv. To an unusual, remarkable or exceptional degree.
EXCEPTIONAL adv. by way of an exception.
EXCLAMATORILYexclamatorily adv. In an exclamatory way.
EXCLAMATORY adv. containing or expressing exclamation, also EXCLAMATIVE.
HEXADACTYLOUShexadactylous adj. (Zoology) Having six fingers or toes.
HEXADACTYLOUS adj. having six fingers, also HEXADACTYLIC.
HYDROXYACETICHYDROXYACETIC adj. as in hydroxyacetic acid, another name for glycolic acid.
INTOXICATEDLYintoxicatedly adv. In an intoxicated fashion; drunkenly.
INTOXICATED adv. INTOXICATE, to make drunk.
OXYACETYLENESOXYACETYLENE n. a mixture of oxygen and acetylene, esp. for cutting or welding.
PHYCOXANTHINSPHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
TAXONOMICALLYtaxonomically adv. In terms of taxonomy.
TAXONOMICAL adv. relating to taxonomy, the science of classifying living organisms, also TAXONOMIC.
TRICARBOXYLICtricarboxylic adj. (Organic chemistry) Having three carboxylic groups.
TRICARBOXYLIC adj. containing three carboxyl groups in the molecule.

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


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