IPA: /ˈpɛtrəlɪk/
KK: /ˈpɛtrəlɪk/
Relating to or derived from oil, especially petroleum.
The petrolic products are essential for the production of various fuels.
Petrolic is derived from "petra" (from Greek "πέτρα", meaning rock) and the suffix "-lic" (meaning pertaining to). The word refers to something that is related to or characteristic of rock, particularly in the context of petroleum or fossil fuels.
Think of 'rock' ('petra') to remember that 'petrolic' means something related to rock, especially in the context of oil or fossil fuels.