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List of 13-letter words containing

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There are 13 thirteen-letter words containing H, L, 2O and X

CEPHALOTHORAXcephalothorax n. The fused head and thorax of spiders and crustaceans.
CEPHALOTHORAX n. the body, or head with thorax, of spiders, crustaceans, etc.
CYCLOHEXANONEcyclohexanone n. (Organic chemistry) The alicyclic ketone obtained from cyclohexane by the replacement of a methylene…
CYCLOHEXANONE n. a liquid ketone used esp. as a solvent and in organic synthesis.
HAEMATOXYLONSHAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HOMOSEXUALISMhomosexualism n. (Dated) Homosexuality, the state of being homosexual.
homosexualism n. (Derogatory) A purported ideology behind (and promoting) homosexuality; gayness viewed as an ideology…
HOMOSEXUALISM n. being homosexual.
HOMOSEXUALISThomosexualist n. (Rare, dated, often derogatory) Alternative form of homosexual.
HOMOSEXUALIST n. a homosexual.
HOMOSEXUALITYhomosexuality n. The state of being sexually attracted primarily or exclusively to persons of the same sex, sometimes…
homosexuality n. Sexual activity with a person of the same sex, sometimes (potentially offensive) restricted to same-sex…
HOMOSEXUALITY n. the state of being homosexual.
HYDROXYLATIONhydroxylation n. (Organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement…
HYDROXYLATION n. the act of hydroxylating.
METHOXYCHLORSMETHOXYCHLOR n. a relatively nontoxic organochlorine insecticide.
NONHOMOSEXUALnonhomosexual adj. Not homosexual.
nonhomosexual n. One who is not a homosexual.
NONHOMOSEXUAL n. one who is not homosexual.
OXYHEMOGLOBINoxyhemoglobin n. (American spelling) Alternative form of oxyhaemoglobin.
OXYHEMOGLOBIN n. a loose compound of oxygen and haemoglobin, also OXYHAEMOGLOBIN.
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.
XIPHOPHYLLOUSxiphophyllous adj. (Botany) Having sword-shaped leaves.
XIPHOPHYLLOUS adj. having sword-shaped leaves.
ZOOXANTHELLAEzooxanthellae n. Plural of zooxanthella.
ZOOXANTHELLA n. a symbiotic dinoflagellate of the genus Symbiodinium that lives in the tissues of a number of marine invertebrates and protists.

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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