HD
high-definition; high definition: channels that broadcast in HD;HD video;HD DVDs;an HD display on my new tablet.
Computers. high-density (def. 2).
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Definition for HD (2 of 4)
hd.
hand.
head.
Definition for HD (3 of 4)
h.d.1
(in prescriptions) at bedtime.
Origin of h.d.
1From New Latin hōra dēcubitūs
Definition for HD (4 of 4)
h.d.2
heavy duty.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for HD
hd
abbreviation for
hand
head
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
Medical definitions for HD
h.d.
abbr.
hora decubitus (before sleep, at bedtime)
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.