Oil :: 
						 Oil  (n.)  Any  one  of  a  great  
variety  of  
unctuous  combustible  substances,  not  
miscible  with  
water;  as,  olive  oil,  whale  oil,  rock  oil,  etc.  They  are  of  
animal,  vegetable,  or  
mineral  origin  and  of  
varied  composition,  and  they  are  
variously  used  for  food,  for  
solvents,  for  
anointing,  lubrication,  illumination,  etc.  By  
extension,  any  
substance  of  an  oily  
consistency;  as,  oil  of  
vitriol..