oil oil /ˈɔɪl/

noun

1. () A slippery or viscous liquid or liquefiable substance not miscible with water  ( oil )
   a slippery or viscous liquid or liquefiable substance not miscible with water
    I use a neutral oil like vegetable oil for frying chicken or vegetables
   I use a neutral oil like vegetable oil for frying chicken or vegetables
   
2. () Oil paint containing pigment that is used by an artist  ( oil color [American] , oil colour [Canadian, British] , oil )
   oil paint containing pigment that is used by an artist
     The artist used oil paint to create a vibrant and textured canvas.
   The artist used oil paint to create a vibrant and textured canvas.
   
   
3. Any of a group of liquid edible fats that are obtained from plants  ( oil , vegetable oil )
   any of a group of liquid edible fats that are obtained from plants
   
   
4. A dark oil consisting mainly of hydrocarbons  ( crude , crude oil , fossil oil , oil , petroleum , rock oil , black gold [Informal] )
   a dark oil consisting mainly of hydrocarbons
    You should regularly check your car's oil level and top it up if necessary
   You should regularly check your car's oil level and top it up if necessary
   
   

verb

1. () Cover with oil, as if by rubbing  ( oil )
   cover with oil, as if by rubbing
    Oil the wooden surface
   oil the wooden surface
   
2. Administer an oil or ointment to; often in a religious ceremony of blessing  ( anele [Archaic] , anoint , embrocate , inunct , oil )
   administer an oil or ointment to; often in a religious ceremony of blessing