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1 alpha
{'ælfə}
1. гръцката буква алфа
2. астр. най-ярка звезда в съзвездие
3. attr алфа
ALPHA and Omega прен. алфа и омега, начало и край
ALPHA plus отличен (за оценка)* * *{'alfъ} n 1. гръцката буква алфа; 2. астр. най-ярка звезда в съ* * *алфа;* * *1. alpha and omega прен. алфа и омега, начало и край 2. alpha plus отличен (за оценка) 3. attr алфа 4. астр. най-ярка звезда в съзвездие 5. гръцката буква алфа* * *alpha[´ælfə] n 1. алфа, първата буква от гръцката азбука; 2. прен. начало; основа; the A. and Omega алфата и омегата; началото и краят; 3. отлична оценка на изпит; \alpha test тест за изследване способността за учене; 4. астр. най-ярката звезда във всяко съзвездие; 5. abbr комп. буквено-цифров; \alpha particle положително заредено ядро хелий; \alpha active алфа-активен; хелио-активен; \alpha rays алфа лъчи; \alpha rhythm ритъм на мозъчните вълни в състояние на покой.
См. также в других словарях:
alpha rhythm — n ALPHA WAVE * * * a uniform rhythm of waves in the normal electroencephalogram, showing an average frequency of 10 per second; see alpha waves under wave. Called also Berger r. and alpha activity … Medical dictionary
alpha rhythm — a pattern of slow brain waves (alpha waves) in normal persons at rest with closed eyes, thought by some to be associated with an alert but daydreaming mind. [1935 40; earlier alpha waves, trans. of G Alphawellen, term used by their discoverer,… … Universalium
alpha rhythm — al′pha rhythm n. phl a pattern of slow brain waves(al′pha waves )in normal persons at rest with closed eyes, thought by some to be associated with an alert but daydreaming mind • Etymology: 1935–40 … From formal English to slang
alpha rhythm — noun see alpha wave … New Collegiate Dictionary
alpha rhythm — noun Physiology the normal electrical activity of the brain when conscious and relaxed, consisting of oscillations (alpha waves) with a frequency of 8 to 13 hertz … English new terms dictionary
alpha rhythm — noun the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8 12 hertz • Syn: ↑alpha wave • Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential … Useful english dictionary
alpha waves — alpha waves, = alpha rhythm. (Cf. ↑alpha rhythm) … Useful english dictionary
alpha wave — n. any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person: also alpha rhythm * * * … Universalium
alpha wave — n. any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person: also alpha rhythm … English World dictionary
alpha wave — noun the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8 12 hertz • Syn: ↑alpha rhythm • Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential * * * noun or … Useful english dictionary
alpha wave — noun Date: 1936 an electrical rhythm of the brain with a frequency of approximately 8 to 13 cycles per second that is often associated with a state of wakeful relaxation called also alpha, alpha rhythm … New Collegiate Dictionary
