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List of 13-letter words containing

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There are 20 thirteen-letter words containing 2E, H, O, R and X

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.
CHLORHEXIDINEchlorhexidine n. (Pharmacology) A particular chemical antiseptic and bacteriostatic.
CHLORHEXIDINE n. an antiseptic compound used in skin cleansers, mouthwashes, etc.
EXECUTORSHIPSexecutorships n. Plural of executorship.
EXECUTORSHIP n. the office of executor.
EXHEREDATIONSexheredations n. Plural of exheredation.
EXHEREDATION n. the act of exheredating, disinheriting.
EXHIBITIONERSexhibitioners n. Plural of exhibitioner.
EXHIBITIONER n. a university student who has been awarded an exhibition at a university.
EXOTHERMICITYexothermicity n. (Chemistry, physics, uncountable) The quality or state of being exothermic.
exothermicity n. (Countable) The release of heat during an exothermic reaction.
EXOTHERMICITY n. the state of being exothermic.
EXTREMOPHILESextremophiles n. Plural of extremophile.
EXTREMOPHILE n. an organism that lives under extreme environmental conditions.
FLEXOGRAPHIESFLEXOGRAPHY n. a method of rotary letterpress printing using a resilient printing plate and solvent-based ink, used characteristically for printing on metal foil or plastic.
HETEROSEXISMSheterosexisms n. Plural of heterosexism.
HETEROSEXISM n. the belief that homosexuality is a perversion.
HETEROSEXISTSheterosexists n. Plural of heterosexist.
HETEROSEXIST n. one who believes that homosexuality is a perversion.
HETEROSEXUALSheterosexuals n. Plural of heterosexual.
HETEROSEXUAL n. a heterosexual person.
HEXACHLORIDEShexachlorides n. Plural of hexachloride.
HEXACHLORIDE n. a chloride containing six atoms of chlorine.
HEXAFLUORIDEShexafluorides n. Plural of hexafluoride.
HEXAFLUORIDE n. a chemical compound with the general formula XF6.
HYDROPEROXIDEhydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH.
HYDROPEROXIDE n. a compound containing an O2H group.
HYPERPROSEXIAhyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing…
HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
LEXICOGRAPHERlexicographer n. One who writes or compiles a dictionary.
LEXICOGRAPHER n. an author or editor of a dictionary.
METHOTREXATESmethotrexates n. Plural of methotrexate.
METHOTREXATE n. a drug used in the treatment of cancer.
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.
PROPOXYPHENESpropoxyphenes n. Plural of propoxyphene.
PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.
XANTHOPTERINExanthopterine n. Alternative form of xanthopterin.
XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN.

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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