antiknock
US'æntı'nɔk
معنی فارسی
ضد کوبش
معنی کامل و مثالها
/an´tī näk´; -tē-,-tī-/n.
● محلول ضد ضربه (که به سوخت اتومبیل میافزایند)
ریشه و کاربرد
ریشه
From 'anti-' meaning against, and 'knock' referring to the knocking sound in engines.
مثال
- Lead was once widely used as an antiknock agent in gasoline.
- The antiknock properties of the fuel were improved.
- He added an antiknock to the fuel to improve engine performance.
ترکیبهای رایج
Antiknock agent Antiknock properties Antiknock additive Antiknock substance
تعریف انگلیسی
adjective
- any of various compounds that are added to gasoline to reduce engine knocking
- suppressing or eliminating engine knock in combustion engines “antiknock properties” “antiknock rating”