4. Do a tune-up two weeks before the smog test. Have any required maintenance performed well before the smog test, Mazor says. Most mechanics disconnect the battery while doing a tune-up and this resets the car's onboard computer.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  Barnes(ProperNoun) An English topographic surname for someone who owned, lived in, or worked in a barn. 2  Barnes(ProperNoun) An English habitational surname for someone from the place of the same name in Surrey.
Decorum is proper and polite behavior. If you let out a big belch at a fancy dinner party, you're not showing much decorum. This noun is from Latin decÅrus proper, becoming, handsome, from dÃ©cor beauty, grace, which is also the source of English dÃ©cor. The corresponding adjective is decorous, meaning well-behaved in a particular situation.. Both decorum and decorous are often used to describe behavior in a classroom or courtroom.