seasonal affective dis-order

seasonal affective disorder

noun
recurrent winter depression characterized by oversleeping, overeating, and irritability, and relieved by the arrival of spring or by light therapy. Abbreviation: SAD

Origin:
1980–85

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Collins
World English Dictionary
seasonal affective disorder
 
n
SAD a state of depression sometimes experienced by people in winter, thought to be related to lack of sunlight

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

seasonal affective disorder sea·son·al affective disorder (sē'zə-nəl)
n.
Abbr. SAD
A mild form of depression occurring at certain seasons of the year, especially depression that recurs in winter and that is characterized by loss of energy and sexual drive, restlessness, and often by a craving for carbohydrates.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
seasonal affective disorder   (sē'zə-nəl)  Pronunciation Key 
A mood disorder that occurs during seasons when exposure to sunlight is limited, characterized by symptoms of depression.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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