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An abnormal fear of high places.

ac′ro·phobe′ n.
ac′ro·pho′bic (-fō′bĭk) adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a person who is abnormally afraid of heights
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
AN ALPINIST'S DREAM AND AN ACROPHOBE'S NIGHTmare, the serrated ridgelines and bald granite peaks of southwestern Colorado s San Juan Mountains are spectacular even by the high standards of this mountainous state.
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.
Acrophobes, keep out, but it is from this height and in these depths that the statement unfolds.