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An abnormal fear of high places.

ac′ro·phobe′ n.
ac′ro·pho′bic (-fō′bĭk) adj. & n.


a person who is abnormally afraid of heights
References in periodicals archive ?
50 is more scenic, but it narrows to two lanes for the last 40 miles, and the precipitous descent from Echo Summit can make an acrophobe blanch.
For example, research shows that acrophobes "may rely on vision more than other people to keep their balance," and Latta explains that this can make them feel as if their balance is more off than it actually is.
As the cars rocked back and forth on the rails and passengers perched on narrow wooden benches, some of the acrophobes aboard groaned through each cliff-hanging turn, and many couldn't bring themselves to peer out - and way down - through the windows.