DEF Definition & Meaning - Merriam-Webster
The meaning of DEF is definitely. How to use def in a sentence.
Diesel exhaust fluid - Wikipedia
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 engine. Specifically, DEF is an …
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!
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.
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.
Merriam-Webster: America's Most Trusted Dictionary
Merriam-Webster's Dictionary - America's Most Trusted Dictionary, with articles, reviews, word suggestions, and more.
Everything To Know About DEF With The GM Duramax 3.0L LZ0
Jan 11, 2026 · Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM Authority is taking a closer look.
Def - definition of def by The Free Dictionary
def Also found in: Thesaurus, Medical, Legal, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia.
def - Wiktionary, the free dictionary
Feb 28, 2026 · Failing to see the word's antecedents, I suspected that def was either bogus or an orphan, lost to its slang ancestors through mispronunciation or misspelling […]
DEF Delivery | Diesel Exhaust Fluid Delivery - Fuel Logic
Need DEF delivery near you? Streamline your business with our Diesel Exhaust Fluid Delivery Service direct to equipment. Contact us for bulk DEF delivery needs.