altered states of consciousness
neurosci. Any mental condition that varies from an individual’s normal state of awareness, such as may be produced by a dream, hypnosis, meditation, hallucination, sensory deprivation, or intoxication by drugs […]
alternating current (AC)
phys. Electric current that rapidly reverses in direction. The electric charges vibrate about relatively fixed positions, usually at the rate of 60 Hz. སྐྱེན་པོའི་ངང་ཁ་ཕྱོགས་ལྡོག་པའི་གློག་རྒྱུན། ལྟོས་བཅས་ཀྱི་བརྟན་པོ་ཡིན་པའི་གནས་ས་ཞིག་གི་ཁུལ་དུ་གློག་ཁུར་གྱིས་སྤྱིར་བཏང་འདར་ཚད་ཧར་ཚི་ ༦༠ ཡི་སྒོ་ནས་འདར་འགུལ་བྱེད།
alternation of generations
biol. The regular alternation of forms or of mode of reproduction in the life cycle of an organism, such as the alternation between diploid and haploid phases, or between sexual […]
