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Medical Definition of Fear of heights

Fear of heights: An abnormal and persistent fear of heights. Sufferers experience severe anxiety even though they realize as a rule that heights pose no real threat to them.

Fear of heights is termed acrophobia. The word "acrophobia" is derived from the Greek "acron" (height) and "phobos" (fear).

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016

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