Glossary · Nouns · X
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TermTypeDefinitionClassificationsUpdated
X RaynounMWEelectromagnetic radiation of short wavelength produced when high-speed electrons strike a solid targetverified
X.509 CertificatenounMWEThe X.509 public-key certificate or the X.509 attribute certificate, as defined by the ISO/ITU-T X.509 standard. Most commonly (including in this document), an X.509 certificate refers to the X.509 public-key certificate.Credential
X.509 Public Key CertificatenounMWEA digital certificate containing a public key for entity and a name for the entity, together with some other information that is rendered unforgeable by the digital signature of the certification authority that issued the certificate, encoded in the format defined in the ISO/ITU-T X.509 standard.Credential
Xanthomanouna skin problem marked by the development of irregular yellow nodules on the eyelids, neck and backverified
Xanthoma DisseminatumnounMWErare chronic xanthoma of adults in which orange or brownish papules develop on many surfaces of the bodyverified
Xanthoma MultiplexnounMWEwidespread yellowish deposits of cholesterol, found especially on the elbows and kneesverified
Xenograftnountissue from an animal of one species used as a temporary graft, as in cases of severe burns, on an individual of another speciesverified
Xenolithnouna piece of rock of different origin from the igneous rock in which it is embeddedverified
Xenonnouna colorless, odorless, inert gaseous element occurring in the earth's atmosphere in trace amountsverified
Xenotransplantnouna surgical procedure in which tissue or whole organs are transfered from one species to another speciesverified
Xenotransplantationnouna surgical procedure in which tissue or whole organs are transfered from one species to another speciesverified
Xerodermanouna mild form of ichthyosis characterized by abnormal dryness and roughness of the skinverified
Xeroderma PigmentosumnounMWEa rare genetic condition characterized by an eruption of exposed skin occurring in childhood and photosensitivity with severe sunburnverified
Xerodermianouna mild form of ichthyosis characterized by abnormal dryness and roughness of the skinverified
Xerographic CopiernounMWEa duplicator that copies graphic matter by the action of light on an electrically charged photoconductive insulating surface in which the latent image is developed with a resinous powderverified
Xylemnounthe woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vesselsverified
Xylophonenouna percussion instrument with wooden bars tuned to produce a chromatic scale, with resonators to help with the sound qualityverified
51 terms