Whenever we change sleep cycles, our biological clock has to adjust to the new schedule.
English dictionary. 2008.
biological clock — n [singular] 1.) technical the system in plants and animals that controls when they sleep, eat, produce babies etc = ↑body clock 2.) the idea that when a woman reaches a certain age, she will soon be too old to have a baby ▪ career women who hear … Dictionary of contemporary English
biological clock — noun count 1. ) a system in the body that controls when certain regular activities happen, for example sleeping: BODY CLOCK 2. ) INFORMAL a woman s need to have children before she reaches a certain age and can no longer physically do so: She… … Usage of the words and phrases in modern English
biological clock — n. 1. any of the various natural cycles in organisms that are related to the tides, sun, moon, light, temperature, etc. and that control breeding, feeding, migration, etc. 2. Informal a person s life cycle; specif., the period of human fertility… … English World dictionary
biological clock — n an inherent timing mechanism in a living system (as a cell) that is inferred to exist in order to explain various cyclical behaviors and physiological processes * * * the physiologic mechanism that governs the rhythmic occurrence of certain… … Medical dictionary
biological clock — ► NOUN ▪ an innate mechanism that controls the cyclical physiological activities of an organism … English terms dictionary
biological clock — noun an innate mechanism in living organisms that controls the periodicity of many physiological functions • Hypernyms: ↑mechanism * * * noun, pl ⋯ clocks [count] : a system in the body that controls the occurrence of natural processes (such as… … Useful english dictionary
biological clock — UK / US noun [countable] Word forms biological clock : singular biological clock plural biological clocks 1) a system in the body that controls when certain regular activities happen, for example sleeping 2) informal a woman s need to have… … English dictionary
biological clock — noun a) Any of several mechanisms that regulate the periodicity of biological functions b) The progression from puberty to menopause during which a woman can bear children Syn: body clock … Wiktionary
biological clock — noun (singular) 1 technical the time system in plants and animals that controls behaviour such as sleeping and eating, body clock 2 technical the idea that when a woman reaches a certain age, she will soon be too old to have a baby … Longman dictionary of contemporary English
biological clock — biolog′ical clock′ n. 1) phl an innate mechanism of the body that regulates its rhythmic and periodic cycles, as that of sleeping and waking 2) cvb such a mechanism perceived as inexorably marking the passage of one s youth and esp. one s ability … From formal English to slang
