nyctophobia

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Related to Lygophobia: scotophobia, Achluophobia, Ligyrophobia

nyctophobia

[‚nik·tə′fō·bē·ə]
(psychology)
An abnormal fear of night and darkness.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.