Usually means: Infinitesimal change in variable y.
Definitions Related words Phrases Mentions History
We found 32 dictionaries that define the word dy:

General (17 matching dictionaries)
  1. Dy, dy, dy-: Merriam-Webster
  2. DY, Dy, Dy: Oxford Learner's Dictionaries
  3. Dy, dy: American Heritage Dictionary of the English Language
  4. Dy: Collins English Dictionary
  5. Dy: Vocabulary.com
  6. DY, D'y, Dy, d'y, dy, dy: Wordnik
  7. dy: Wiktionary
  8. Dy: Webster's New World College Dictionary, 4th Ed.
  9. Dy: The Wordsmyth English Dictionary-Thesaurus
  10. Dy: Infoplease Dictionary
  11. Dy, dy: Dictionary.com
  12. DY (rapper), Dy (surname), Dy: Wikipedia, the Free Encyclopedia
  13. Dy: Rhymezone
  14. Dy, dy: Stammtisch Beau Fleuve Acronyms
  15. dy: FreeDictionary.org
  16. dy: Mnemonic Dictionary
  17. Dy, dy: TheFreeDictionary.com

Art (1 matching dictionary)
  1. Glossary of Stamp Collecting Terms (No longer online)

Business (1 matching dictionary)
  1. Glossary of Trade and Shipping Terms (No longer online)

Computing (1 matching dictionary)
  1. Dy: Encyclopedia

Medicine (4 matching dictionaries)
  1. Dy: Merriam-Webster Medical Dictionary
  2. Dorland's Illustrated Medical Dictionary (No longer online)
  3. online medical dictionary (No longer online)
  4. Dy: Medical dictionary

Miscellaneous (3 matching dictionaries)
  1. d.y, d.y, d.y: Terminology and Descriptions of Geneaological Words
  2. DY: Acronym Finder
  3. AbbreviationZ (No longer online)

Science (2 matching dictionaries)
  1. Dy: A Dictionary of Quaternary Acronyms and Abbreviations
  2. Dy: WebElements Periodic Table of the Elements

Slang (1 matching dictionary)
  1. DY: Urban Dictionary

Tech (2 matching dictionaries)
  1. Dy: Webster's New World Telecom Dictionary
  2. dy: Canadian Soil Information System

(Note: See dying as well.)

Definitions from Wiktionary (dy)

adverb:  (text messaging) already
noun:  A surname from Khmer.
verb:  Obsolete form of die. [(intransitive) To stop living; to become dead; to undergo death.]
noun:  (India, attributive) Abbreviation of deputy. [One appointed as the substitute of others, and empowered to act for them, in their name or their behalf; a substitute in office.]

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