Share this entry
superunleaded Line breaks: super|unlead¦ed
Pronunciation: /ˌsuːpə(r)ʌnˈlɛdɪd/

Definition of superunleaded in English:


Denoting unleaded petrol with a higher octane rating than that of regular unleaded petrol, achieved by the addition of aromatic hydrocarbons.
Example sentences
  • The committee said benzene in superunleaded gasoline has been linked to childhood leukemia and cancer.


[mass noun] Back to top  
Superunleaded petrol: many owners buy superunleaded because they believe it will enhance performance
More example sentences
  • Are there any better types of superunleaded to use (brands etc etc) or are they all much of a muchness?
  • I'd like to know why the superunleaded which my car takes is now 30 cents more than unleaded when it used to be only 20 cents.
  • But - on start up the engine feels a bit ‘flooded’ and rough - is this is because superunleaded is better suited to long runs and higher engine speeds?
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources