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nyctophobia

[nik-tuh-foh-bee-uh]
noun Psychiatry.
  1. an abnormal fear of night or darkness.
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Origin of nyctophobia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nyctophobia

nyctophobia

noun
  1. psychiatry an abnormal dread of night or darkness
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Derived Formsnyctophobic, adjective

Word Origin

nyct-, from Greek nukt-, nux night + -phobia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for nyctophobia

n.

medical Latin, from nycto- "night" + -phobia "fear." Related: Nyctophobic.

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Online Etymology Dictionary, © 2010 Douglas Harper

nyctophobia in Medicine

nyctophobia

(nĭk′tə-fōbē-ə)
n.
  1. An abnormal fear of night or of the dark.scotophobia
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.