S.D. definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Origin: Classical Latin sine diewithout date: see sine die
S.D. definition by American Heritage Dictionary
- Latin Scientiae Doctor (Doctor of Science)
- sight draft
- or S.D. South Dakota
- special delivery
- standard deviation
sound (body of water)
abbreviationThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Sudan (in Internet addresses)
s.d. - Computer Definition
Computer Desktop EncyclopediaTHIS DEFINITION IS FOR PERSONAL USE ONLYAll other reproduction is strictly prohibited without permission from the publisher.© 1981-2014 The Computer Language Company Inc. All rights reserved.
s.d. - Medical Definition
Variant of SD