biennium definition: The definition of a biennium is a period of two years. (noun) Your two-year cell phone contract is an example of a biennium....
The weakness may persist for hours. The term drop attack is used to categorize otherwise unexplained falls from a wide variety of causes and is considered ambiguous medical terminology; drop attacks are currently reported much less often than in the past, possibly as a result of better diagnostic precision.
vestibulo-ocular reflex Neurology A reflex in which eye movement is equal and opposite to the head movement; loss of the VOR implies vestibular disease that may accompany aminoglycoside toxicity