HD


high-definition; high definition: channels that broadcast in HD;HD video;HD DVDs;an HD display on my new tablet.

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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.

1
From 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.