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SD

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abbreviation
the intelligence and counterespionage service of the Nazi SS.
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Origin of SD

1
From the German word Sicherheitsdienst

Other definitions for SD (2 of 7)

SD2

abbreviation
sea-damaged.
South Dakota (approved especially for use with zip code).
Statistics. standard deviation.

Other definitions for SD (3 of 7)

sd.

abbreviation
sound.

Other definitions for SD (4 of 7)

s.d.

abbreviation
sine die.
Statistics. standard deviation.

Other definitions for SD (5 of 7)

S/D

abbreviation
school district.
sight draft.

Other definitions for SD (6 of 7)

S.D.1

abbreviation
doctor of science.

Origin of S.D.

1
From Latin Scientiae Doctor

Other definitions for SD (7 of 7)

S.D.2

abbreviation
sea-damaged.
senior deacon.
South Dakota.
special delivery.
Statistics. standard deviation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use SD in a sentence

British Dictionary definitions for SD (1 of 3)

sd1

abbreviation for
sine die
sound
philosophy sense datum

British Dictionary definitions for SD (2 of 3)

sd2

the internet domain name for
Sudan

British Dictionary definitions for SD (3 of 3)

SD

abbreviation for
South Dakota
Also: sd statistics standard deviation
abbreviation for
Swaziland (international car registration)
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 SD

SD

abbr.
streptodornase
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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