- 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).
- (in prescriptions) at bedtime.
Origin of h.d.1
From the New Latin word hōra dēcubitūs
- heavy duty.
- HildaH.D., 1886–1961, U.S. poet.
- James Harold,1896–1993, U.S. aviator and general.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hd
Step forward GoPro, the HD camera manufacturer that has transformed how we document the world around us.Why Every Home Needs a Drone This Holiday
December 8, 2014
Fight Church is available now on iTunes, On Demand and Digital HD.Jesus Said Knock You Out: In ‘Fight Church’ Christians Beat Thy Neighbor
September 16, 2014
You can see all of that condensed down to a few minutes and in HD in this video, from the showgirls to the eventual tragic end.Miley Cyrus, Arcade Fire & More Best Music Videos of the Week (VIDEO)
September 15, 2013
Remembering better is not about pointing the camera and switching to HD mode.How to Remember the Past
May 4, 2013
In other words, the criteria proposed for HD diagnosis will make it hard for doctors to falsely classify sex addicts.DSM-V: Hoarding, Binge Eating & More New Mental-Disorder Diagnoses
April 11, 2013
Hd Commander at Niagara, lost in foundering of Ontario, 163.
Hd His lack of interest in Canada, 184; Haldimand's letter to, 188.
Hd Absolves French of the west from their allegiance to Britain, 167.
Hd Revolution in places William of Orange at head of affairs, 7.
Hd Massacre of, by Americans after conclusion of peace, 171.
- Hilda. known as H.D. 1886–1961, US imagist poet and novelist, living in Europe
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
- 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.