Keyword Analysis & Research: def

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What is Def used for?

DEF is clear and colorless, and looks exactly like water. It has a slight smell of ammonia, similar to some home cleaning agents. DEF is used in by Selective Catalytic Reduction (SCR) technology to remove harmful NO x emissions from diesel engines.

What does Def mean in slang?

The word def is hip hop (including graffiti) slang for 'great', 'ill', 'dope', 'fly': generally, a positive adjective used as a superlative. Taken from the root word 'definitive', if something is 'def' then it is classified as being very good.

Is Def made from urine?

DEF is a mixture of (typically) 2/3 deionized water and 1/3 urea. It's carefully regulated by the American Petroleum Institute. Technically, urea is derived from one of the byproducts of urine. But it's synthetically made, so no cats are ever harmed in the production of the fluid.

What does Def means?

The definition of def is a slang term that is excellent or first-rate. An example of def used as an adjective is in the phrase "that music is def," which means the music is excellent.

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