POSITRON-EMISSION TOMOGRAPHY

Meaning of POSITRON-EMISSION TOMOGRAPHY in English

[positron-emission tomography] n (1979): tomography in which a cross-sectional image of regional metabolism is obtained by a usu. color-coded cathode-ray tube representation of the distribution of gamma radiation given off in the collision of electrons in cells with positrons emitted by radionuclides incorporated into metabolic substances

Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012

POSITRON-EMISSION TOMOGRAPHY — noun Date: 1976 tomography in which a cross-sectional image of regional metabolism is obtained by a usually color-coded representation of …
Толковый словарь английского языка - Merriam Webster
POSITRON-EMISSION TOMOGRAPHY — ¦ ̷ ̷ ̷ ̷ ˌ ̷ ̷ ̷ ̷ ¦ ̷ ̷ ̷ ̷ - noun : tomography in which an in vivo, noninvasive, cross-sectional image of regional …
Webster's New International English Dictionary
POSITRON EMISSION TOMOGRAPHY — the process of producing a PET scan. Cf. PET scanner .
Random House Webster's Unabridged English Dictionary
POSITRON EMISSION TOMOGRAPHY — technique for creating detailed images of bodily tissues by injecting positron-laden material into the body and recording the gamma rays …
Толковый словарь английского языка - Редакция bed
POSITRON-EMISSION TOMOGRAPHY — Date: 1976 : tomography in which a cross-sectional image of regional metabolism is obtained by a usually color-coded representation of …
Merriam-Webster's Collegiate English vocabulary
POSITRON-EMISSION TOMOGRAPHY — Function: noun Date: 1976 : tomography in which a cross-sectional image of regional metabolism is obtained by a usually color-coded …
Merriam Webster Collegiate English Dictionary
POSITRON EMISSION TOMOGRAPHY — (PET) imaging technique used in diagnosis and biomedical research. It has proved particularly useful for studying brain and heart functions …
Britannica English vocabulary
POSITRON EMISSION TOMOGRAPHY — Imaging technique used in diagnosis and biomedical research. A chemical compound labeled with a radioactive isotope (see radioactivity ) that …
Britannica Concise Encyclopedia
POSITRON EMISSION TOMOGRAPHY — Позитронно-эмиссионная томография
Американский Англо-Русский словарь
POSITRON EMISSION TOMOGRAPHY — позитрон-эмиссионная томография
Новый Англо-Русский медицинский словарь
POSITRON-EMISSION TOMOGRAPHY — - emission tomography
Англо-Русский словарь по телекоммуникациям
POSITRON — n [Atomic Phys.] positron, positon
Interlingua English vocab
EMISSION — n emission; also: [Com.] issuing, issue; banca de emission bank of issue
Interlingua English vocab
TOMOGRAPHY — noun see: tome Date: 1935 a method of producing a three-dimensional image of the internal structures of a solid object …
Толковый словарь английского языка - Merriam Webster
POSITRON — noun Etymology: positive + -tron (as in electron) Date: 1933 a positively charged particle having the same mass and magnitude …
Толковый словарь английского языка - Merriam Webster
TOMOGRAPHY — I Radiological technique for obtaining clear X-ray images of internal structures by focusing on a specific plane within the body …
Английский словарь Британика
POSITRON — mass as an electron but with an electric charge of +1 (an electron has a charge of -1). It constitutes …
Английский словарь Британика
TOMOGRAPHY — təˈmägrəfē noun ( -es ) Etymology: International Scientific Vocabulary tomo- (from Greek tomos slice, section) + -graphy; probably originally formed …
Webster's New International English Dictionary
POSITRON — ˈpäzə.ˌträn noun ( -s ) Etymology: blend from positive electron : a positively charged particle having the same mass and …
Webster's New International English Dictionary
EMISSION — ēˈmishən, ə̇ˈ- noun ( -s ) Etymology: Latin emission-, emissio, from emissus + -ion-, -io -ion 1. obsolete : an …
Webster's New International English Dictionary
EMISSION — (n.) That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly …
Английский словарь Webster
EMISSION — (n.) The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the …
Английский словарь Webster
EMISSION — ( n. ) The act of sending or throwing out; the act of sending forth or putting into circulation; issue; …
Webster's Revised Unabridged English Dictionary
EMISSION — ( n. ) That which is sent out, issued, or put in circulation at one time; issue; as, the emission …
Webster's Revised Unabridged English Dictionary
POSITRON — /poz"i tron'/ , n. Physics. an elementary particle having the same mass and spin as an electron but having a …
Random House Webster's Unabridged English Dictionary
EMISSION
Random House Webster's Unabridged English Dictionary
TOMOGRAPHY — n. X-ray photography using a tomograph
Толковый словарь английского языка - Редакция bed
POSITRON — n. antiparticle of an electron, elementary particle equal in mass to the electron but with a positive electrical charge (Physics)
Толковый словарь английского языка - Редакция bed
TOMOGRAPHY — noun Etymology: Greek tomos section + International Scientific Vocabulary -graphy — more at tome Date: 1935 : a method of …
Merriam-Webster's Collegiate English vocabulary
POSITRON — noun Etymology: posi tive + -tron (as in electron ) Date: 1933 : a positively charged particle having the same …
Merriam-Webster's Collegiate English vocabulary
EMISSION — noun that which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly …
Webster English vocab
TOMOGRAPHY — [ tə'mɒgrəfi ] ■ noun a technique for displaying a cross section through a human body or other solid object …
Concise Oxford English vocab
POSITRON — [ 'pɒzɪtrɒn ] ■ noun Physics a subatomic particle with the same mass as an electron and a numerically equal …
Concise Oxford English vocab
TOMOGRAPHY — [to.mog.ra.phy] n [Gk tomos section + ISV -graphy--more at tome] (1935): a method of producing a three-dimensional image of the …
Merriam-Webster English vocab
POSITRON — [pos.i.tron] n [positive + -tron (as in electron)] (1933): a positively charged particle having the same mass and magnitude of …
Merriam-Webster English vocab
TOMOGRAPHY — radiologic technique for obtaining clear X-ray images of deep internal structures by focusing on a specific plane within the body. …
Britannica English vocabulary
POSITRON — also called positive electron, any positively charged subatomic particle having the same mass and magnitude of charge as the electron …
Britannica English vocabulary
TOMOGRAPHY — tomography BrE AmE tə ʊ ˈmɒɡ rəf i AmE \ toʊ ˈmɑːɡ-
Longman Pronunciation English Dictionary
POSITRON — positron BrE AmE ˈpɒz ɪ trɒn -ə- AmE \ ˈpɑːz ə trɑːn ▷ positron|s z
Longman Pronunciation English Dictionary
EMISSION — emission BrE AmE i ˈmɪʃ ə n ə- ▷ emission|s z
Longman Pronunciation English Dictionary
TOMOGRAPHY — / təˈmɒgrəfi; NAmE -ˈmɑːg-/ noun [ U ] a way of producing an image of the inside of the human …
Oxford Advanced Learner's English Dictionary
POSITRON — / ˈpɒzɪtrɒn; NAmE ˈpɑːzɪtrɑːn/ noun ( physics ) a particle in an atom which has the same mass as an …
Oxford Advanced Learner's English Dictionary
EMISSION — / iˈmɪʃn; NAmE / noun 1. [ U ] ( formal ) the production or sending out of light, heat, …
Oxford Advanced Learner's English Dictionary
POSITRON — pos ‧ i ‧ tron /ˈpɒzətrɒn, ˈpɒzɪtrɒn $ ˈpɑːzətrɑːn/ BrE AmE noun [countable] technical [ Date: 1900-2000 ; Origin: positive …
Longman Dictionary of Contemporary English
TOMOGRAPHY — n. a method of radiography displaying details in a selected plane within the body. [Gk tome a cutting + -GRAPHY]
Английский основной разговорный словарь
POSITRON — n. Physics an elementary particle with a positive charge equal to the negative charge of an electron and having the …
Английский основной разговорный словарь
TOMOGRAPHY — n. a method of radiography displaying details in a selected plane within the body. [ Gk tome a cutting + …
Concise Oxford English Dictionary
POSITRON — n. Physics an elementary particle with a positive charge equal to the negative charge of an electron and having the …
Concise Oxford English Dictionary
TOMOGRAPHY — n. a method of radiography displaying details in a selected plane within the body. Etymology: Gk tome a cutting + …
Oxford English vocab
POSITRON — n. Physics an elementary particle with a positive charge equal to the negative charge of an electron and having the …
Oxford English vocab
EMISSION — ( emissions) An emission of something such as gas or radiation is the release of it into the atmosphere. ( …
Collins COBUILD Advanced Learner's English Dictionary
POSITRON — noun EXAMPLES FROM CORPUS ▪ The Dark Era begins when space is dominated by tiny particles such as photons, electrons …
Longman DOCE5 Extras English vocabulary
EMISSION — noun COLLOCATIONS FROM OTHER ENTRIES emission credit emissions trading COLLOCATIONS FROM CORPUS ■ ADJECTIVE annual ▪ Transportation sources contributed only …
Longman DOCE5 Extras English vocabulary
POSITRON — [noun] [C] [specialized] - an extremely small piece of matter with a positive electrical charge, having the same mass as …
Cambridge English vocab
EMISSION — [noun]The Green Party conference has called for a substantial reduction in the emission of greenhouse gases by the UK. [U]The …
Cambridge English vocab
TOMOGRAPHY — n. computed axial tomography computed tomography positron emission tomography
Britannica Concise Encyclopedia
TOMOGRAPHY — n. Radiological technique for obtaining clear X-ray images of internal structures by focusing on a specific plane within the body …
Britannica Concise Encyclopedia
POSITRON — n. Subatomic particle having the same mass as an electron but with an electric charge of +1 (an electron has …
Britannica Concise Encyclopedia
EMISSION — noun ADJECTIVE ▪ harmful , noxious , toxic ▪ gaseous ▪ automobile ( esp. AmE ), exhaust , tailpipe ( …
Oxford Collocations English Dictionary
EMISSION — release of pollutants into the air from a source. We say sources emit pollutants. Continuous emission monitoring systems (CEMS) are …
Environmental Engineering English vocabulary
POSITRON — portions sorption
Anagrams English vocabulary
EMISSION — 1. Electromagnetic energy propagated from a source by radiation or conduction. ( 188 ) Note: The emission may be either …
Telecommunication Standard Terms English vocab
TOMOGRAPHY — A series of detailed pictures of areas inside the body; the pictures are created by a computer linked to an …
NCI English Dictionary of Cancer Terms
POSITRON — Particle equal in mass but opposite in charge to the electron. A positive electron.
NRC Nuclear Energy English Glossary

Merriam-Webster English vocab

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