faintness

  • 121heat exhaustion — a condition characterized by faintness, rapid pulse, nausea, profuse sweating, cool skin, and collapse, caused by prolonged exposure to heat accompanied by loss of adequate fluid and salt from the body. Also called heat prostration. [1935 40] * * …

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  • 122hyperventilation — /huy peuhr ven tl ay sheuhn/, n. 1. excessively rapid and deep breathing. 2. a condition characterized by abnormally prolonged and rapid breathing, resulting in decreased carbon dioxide levels and increased oxygen levels that produce faintness,… …

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  • 123languor — /lang geuhr/, n. 1. lack of energy or vitality; sluggishness. 2. lack of spirit or interest; listlessness; stagnation. 3. physical weakness or faintness. 4. emotional softness or tenderness. [1250 1300; < L (see LANGUISH, OR1); r. ME langour&#8230; …

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  • 124light pollution — 1. unwanted or harmful light, as from bright street lights or neon signs. 2. Astron. artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed. [1970 75] * * * …

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  • 125orthostatic hypotension — Med. a fall in blood pressure associated with an upright position, usually occurring as a result of standing still for a long time or rising from a prolonged stay in bed and often causing faintness, dizziness, and vision disturbances. Also called …

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  • 126pale — pale1 palely, adv. paleness, n. /payl/, adj., paler, palest, v., paled, paling. adj. 1. lacking intensity of color; colorless or whitish: a pale complexion. 2. of a low degree of chroma, saturation, or purity; approaching whit …

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  • 127qualm — /kwahm, kwawm/, n. 1. an uneasy feeling or pang of conscience as to conduct; compunction: He has no qualms about lying. 2. a sudden feeling of apprehensive uneasiness; misgiving: a sudden qualm about the success of the venture. 3. a sudden&#8230; …

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  • 128shadowy — shadowiness, n. /shad oh ee/, adj., shadowier, shadowiest. 1. resembling a shadow in faintness, slightness, etc.: shadowy outlines. 2. unsubstantial, unreal, or illusory: shadowy preoccupations. 3. abounding in shadow; shady: a shadowy path. 4.&#8230; …

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