HD

hd.

h.d.

1
  1. (in prescriptions) at bedtime.

Origin of h.d.

1
From the New Latin word hōra dēcubitūs

h.d.

2
  1. heavy duty.

Doolittle

[doo-lit-l]
noun
  1. HildaH.D., 1886–1961, U.S. poet.
  2. 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

Contemporary Examples of hd

Historical Examples of hd


British Dictionary definitions for hd

hd

abbreviation for
  1. hand
  2. head

Doolittle

noun
  1. 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

hd in Medicine

h.d.

abbr.
  1. 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.