DEF Definition & Meaning - Merriam-Webster
Feb 24, 2026 · The meaning of DEF is definitely. How to use def in a sentence.
Diesel exhaust fluid - Wikipedia
Passenger car using an AdBlue pump Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue[3]) is a liquid used to reduce the amount of air pollution created by a diesel …
Meanings & Definitions of English Words | Dictionary.com
1 day ago · The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!
def - Wiktionary, the free dictionary
Jun 14, 2026 · Russell Simmons, a founder of the company [Def Jam Recordings], said that his partner, in designing the logo for the company’s record label, may have been the first to set def down in …
What Is DEF and How Does It Work? - MotorTrend
Jul 29, 2024 · Diesel exhaust fluid, or DEF, is a key component in lowering pollutants emitted from diesel engines, helping to improve efficiency and reduce emissions.
DEF Definition & Meaning | Dictionary.com
DEF definition: definitely. See examples of def used in a sentence.
Def - definition of def by The Free Dictionary
Define def. def synonyms, def pronunciation, def translation, English dictionary definition of def. cool Abused, Confused, & Misused Words by Mary Embree Copyright ...
DEF | definition in the Cambridge English Dictionary
DEF meaning: 1. very good: 2. very good: . Learn more.
Diesel Exhaust Fluid - Shop DEF Fluid - AutoZone
Reduce emissions and keep your diesel vehicle running clean with diesel exhaust fluid (DEF) from AutoZone. We sell the best brands, including AutoZone, Lumax, and Peak Blue DEF fluid.
Def - Wikipedia
def, a keyword in Python and PostScript Danish EL-Federation, Danish trade union for electricians Delphi Economic Forum, a Greek nonprofit organization Design Exchange Format, or DEF Deutsche …