| ALEXITHYMIAS | • ALEXITHYMIA n. an inability to recognize, understand, and describe emotions. | 
| ANAPHYLAXIES | • ANAPHYLAXY n. an increased susceptibility to injected foreign material, also ANAPHYLAXIS. | 
| EXHAUSTINGLY | • exhaustingly adv. In an exhausting manner. • EXHAUSTINGLY adv. in the manner of using the whole strength of.
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| EXHAUSTIVELY | • exhaustively adv. In an exhaustive manner. • EXHAUSTIVE adv. testing all possibilities or considering all elements.
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| EXHILARATORS | • exhilarators n. Plural of exhilarator. • EXHILARATOR n. one who exhilarates.
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| EXOSPHERICAL | • EXOSPHERICAL adj. related to the exosphere, the outermost layer of the earth's atmosphere, also EXOSPHERIC. | 
| HEMATOXYLINS | • hematoxylins n. Plural of hematoxylin. • HEMATOXYLIN n. a dye obtained from logwood, also HAEMATOXYLIN.
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| HEXADECIMALS | • hexadecimals n. Plural of hexadecimal. • HEXADECIMAL n. a number system with a base of 16.
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| HEXAPLOIDIES | • HEXAPLOIDY n. the state of having six times the normal number of chromosomes. | 
| LEXIGRAPHIES | • lexigraphies n. Plural of lexigraphy. • LEXIGRAPHY n. the art of the definition of words.
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| MORPHALLAXIS | • morphallaxis n. (Biology) The regeneration of specific tissue due to loss or death of the existing tissue. • MORPHALLAXIS n. regeneration in a changed form.
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| OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull.
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| PHYLLOTAXIES | • phyllotaxies n. Plural of phyllotaxy. • PHYLLOTAXY n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXIS.
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| PHYTOALEXINS | • phytoalexins n. Plural of phytoalexin. • PHYTOALEXIN n. any substance produced by a plant as a defence against disease.
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| PYRRHULOXIAS | • pyrrhuloxias n. Plural of pyrrhuloxia. • PYRRHULOXIA n. a grey-and-pink crested bunting of Central and SW North America, with a short parrot-like bill.
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| SULPHADOXINE | • sulphadoxine n. Alternative spelling of sulfadoxine. • SULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE.
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| TROPHALLAXIS | • trophallaxis n. (Biology) The mutual exchange of (fluid) food between individuals, especially in social insects. • TROPHALLAXIS n. mutual exchange of nutriment in symbiosis.
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| XIPHIPLASTRA | • xiphiplastra n. Plural of xiphiplastron. • XIPHIPLASTRON n. in chelonians, one of the plates forming the plastron, lying posterior to the hypoplastron.
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| XYLOGRAPHIES | • xylographies n. Plural of xylography. • XYLOGRAPHY n. the art of making engravings on wood, esp. for printing.
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