enhancement

enhancement
1. The act of augmenting. 2. In immunology, the prolongation of a process or event by suppressing an opposing process.
- acoustic e. a manifestation of increased echo amplitude returning from regions beyond an object, such as a fluid-filled cyst, which causes little or no attenuation of the ultrasound beam. Cf.:acoustic shadow.
- contrast e. the intravenous administration of water-soluble iodinated contrast material, which increases the CT number of the vascular pool, as well as some lesions (particularly in the brain), due to abnormal leakage into the interstitium; the property of showing increased radiopacity from concentration of contrast medium.
- edge e. using analogue or digital image processing to increase the contrast of each interface; equivalent to using a high-pass filter.
- immunologic e. SYN: immunoenhancement.
- ring e. in computed tomography, when a bright circle appears on an image made after injection of contrast medium, characteristic of localization of the contrast in the wall of an abscess.

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en·hance·ment (en-hansґmənt) 1. an increase or promotion of something. 2. prolonged survival of tumor cells in animals previously immunized with antigens of the tumor owing to the presence of “enhancing” or “facilitating” antibodies that prevent an immune response against these antigens; called also immunologic enhancement.

Medical dictionary. 2011.

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  • enhancement — I (exaggeration) noun aggrandizement, elaboration, embellishment, exaggeration, exaltation, hyperbole, magnification, overstatement, superlative II (increase) noun accession, advance, aggrandizement, amelioration, amendment, amplification,… …   Law dictionary

  • Enhancement — En*hance ment, n. The act of increasing, or state of being increased; augmentation; aggravation; as, the enhancement of value, price, enjoyments, crime. [1913 Webster] …   The Collaborative International Dictionary of English

  • Enhancement — (engl. enhance, verbessern, erhöhen) steht im radiologischen Fachjargon für die Anreicherung von Kontrastmittel in bestimmten Strukturen, die sich in der Computertomografie hyperdens darstellen: siehe Computertomografie in der Kernspintomografie… …   Deutsch Wikipedia

  • enhancement — 1570s, from ENHANCE (Cf. enhance) + MENT (Cf. ment) …   Etymology dictionary

  • Enhancement — An innovation that has a positive impact on one or more of a firm s existing products. The New York Times Financial Glossary * * * enhancement UK US /ɪnˈhɑːnsmənt/ US  /ɪnˈhænsmənt/ noun [C or U] ► a change, or a process of change, that improves… …   Financial and business terms

  • enhancement — An innovation that has a positive impact on one or more of a firm s existing products. Bloomberg Financial Dictionary * * * enhancement UK US /ɪnˈhɑːnsmənt/ US  /ɪnˈhænsmənt/ noun [C or U] ► a change, or a process of change, that improves… …   Financial and business terms

  • enhancement — [[t]ɪnhɑ͟ːnsmənt, hæ̱ns [/t]] enhancements N VAR: usu with supp, oft N of n The enhancement of something is the improvement of it in relation to its value, quality, or attractiveness. [FORMAL] Music is merely an enhancement to the power of her… …   English dictionary

  • enhancement — noun Enhancement is used after these nouns: ↑performance, ↑productivity …   Collocations dictionary

  • enhancement — praturtinimas statusas T sritis radioelektronika atitikmenys: angl. enhancement vok. Anreicherung, f rus. обогащение, n pranc. enrichissement, m …   Radioelektronikos terminų žodynas

  • enhancement — enhance ► VERB ▪ increase the quality, value, or extent of. DERIVATIVES enhancement noun enhancer noun. ORIGIN originally in the sense «elevate»: from Old French enhauncer, from Latin altus high …   English terms dictionary

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