| AUXOTROPHY | • auxotrophy n. (Biology) The inability of a microorganism to synthesize an organic compound required for its growth… • AUXOTROPHY n. the state of being auxotrophic, requiring a specific growth substance beyond the minimum required for normal metabolism.
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| DOXOGRAPHY | • doxography n. The work or works of classical historians describing the opinions of Ancient Greek philosophers and scientists. • DOXOGRAPHY n. the compilation of opinions on philosophers.
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| HEXAPLOIDY | • hexaploidy n. The property of being hexaploid. • HEXAPLOIDY n. the state of having six times the normal number of chromosomes.
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| HYPOXAEMIA | • hypoxaemia n. Alternative spelling of hypoxemia. • HYPOXAEMIA n. a deficiency of oxygenation of the blood, also HYPOXEMIA, HYPOXIA.
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| HYPOXAEMIC | • hypoxaemic adj. Alternative form of hypoxemic. • HYPOXAEMIC adj. relating to hypoxaemia, a deficiency of oxygenation of the blood.
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| HYPOXEMIAS | • hypoxemias n. Plural of hypoxemia. • HYPOXEMIA n. deficiency of oxygenation of the blood, also HYPOXAEMIA, HYPOXIA.
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| OROPHARYNX | • oropharynx n. (Anatomy) The oral part of the pharynx, reaching from the uvula to the level of the hyoid bone. • oro-pharynx n. Alternative spelling of oropharynx.
 • OROPHARYNX n. the part of the pharynx between the soft palate and the epiglottis.
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| ORTHOPRAXY | • orthopraxy n. Correct practice or action. • orthopraxy n. Right belief combined with right practice, with the emphasis being on the latter, a term specially used…
 • ORTHOPRAXY n. the treatment of deformities in the human body by mechanical appliances.
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| OXYCEPHALY | • oxycephaly n. A kind of cephalic disorder: sometimes the premature closure of the coronal suture plus any other suture… • OXYCEPHALY n. the condition of having a conical skull.
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| PHYLLOTAXY | • phyllotaxy n. Phyllotaxis. • PHYLLOTAXY n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXIS.
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| PHYLLOXERA | • phylloxera n. An insect, Daktulosphaira vitifoliae of the family Phylloxeridae (not the genus Phylloxera), that is… • Phylloxera prop.n. A taxonomic genus within the family Phylloxeridae.
 • PHYLLOXERA n. a kind of beetle, a pest of vineyards.
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| XANTHOPHYL | • xanthophyl n. Dated form of xanthophyll. • XANTHOPHYL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYLL.
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| XEROGRAPHY | • xerography n. A photocopying process in which a negative image formed on an electrically charged plate is transferred… • XEROGRAPHY n. a nonchemical photographic process in which the plate is sensitized electrically and developed by dusting with electrically-charged fine powder.
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| XYLOGRAPHS | • xylographs n. Plural of xylograph. • XYLOGRAPH n. an engraving on wood, or the impression from such an engraving; a print by xylography.
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| XYLOGRAPHY | • xylography n. (Rare) The art of making xylographs. • XYLOGRAPHY n. the art of making engravings on wood, esp. for printing.
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| XYLOPHAGAN | • xylophagan n. Any wood-boring marine bivalve of the genus Xylophaga, which bores into wood. • XYLOPHAGAN n. one of a tribe of beetles whose larvae bore or live in wood.
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| XYLOPHAGES | • xylophages n. Plural of xylophage. • XYLOPHAGE n. an insect larva, mollusc etc. that eats or bores into wood.
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