| XEROSTOMAS | • XEROSTOMA n. excessive dryness of the mouth due to insufficient secretions, also XEROSTOMIA. | 
| XEROSTOMIAS | • xerostomias n. Plural of xerostomia. • XEROSTOMIA n. excessive dryness of the mouth due to insufficient secretions, also XEROSTOMA.
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| EXOTERICISMS | • EXOTERICISM n. the state of being exoteric. | 
| EXTEMPORISES | • extemporises v. Third-person singular simple present indicative form of extemporise. • EXTEMPORISE v. to perform without preparation or practice; to improvise, also EXTEMPORIZE.
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| HETEROSEXISM | • heterosexism n. The assumption made when relating to others that everyone is heterosexual. • heterosexism n. Discrimination or prejudice in favor of heterosexuals.
 • HETEROSEXISM n. the belief that homosexuality is a perversion.
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| MESOTHORAXES | • mesothoraxes n. Plural of mesothorax. • MESOTHORAX n. the middle segment of the thorax in insects.
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| METROSEXUALS | • metrosexuals n. Plural of metrosexual. • METROSEXUAL n. a heterosexual man who spends a lot of time and money on his appearance and likes to shop.
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| XEROPHYTISMS | • XEROPHYTISM n. being a xerophyte. | 
| EXTEMPORISERS | • extemporisers n. Plural of extemporiser. • EXTEMPORISER n. one who extemporises, also EXTEMPORIZER.
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| EXTENSOMETERS | • extensometers n. Plural of extensometer. • EXTENSOMETER n. an instrument for measuring deformation in an object due to forces applied.
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| HETEROSEXISMS | • heterosexisms n. Plural of heterosexism. • HETEROSEXISM n. the belief that homosexuality is a perversion.
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| PROXIMATENESS | • proximateness n. Quality of being proximate. • PROXIMATENESS n. the state of being proximate.
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| MORPHOSYNTAXES | • morphosyntaxes n. Plural of morphosyntax. • MORPHOSYNTAX n. the study of the interaction of morphology and syntax.
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| SEROTAXONOMIES | • SEROTAXONOMY n. serological analysis as a source of information for taxonomic classification. | 
| EXTEMPORARINESS | • extemporariness n. The quality of being extemporary. • EXTEMPORARINESS n. the state of being extemporary.
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| IMPROVISATRIXES | • IMPROVISATRIX n. (archaic) a female improvisator, also IMPROVISATRICE. | 
| PROXIMATENESSES | • PROXIMATENESS n. the state of being proximate. |