Rock-oil
noun
1.
petroleum.
noun
1.
another name for petroleum
Read Also:
- Rock on  
interjection party on; carry on; also, things are cool Examples Rock on, bro! Word Origin fr rock and roll Usage Note slang rock on
 - Rockoon  
noun 1. a rocket launched from a balloon at a high altitude. noun 1. a rocket carrying scientific equipment for studying the upper atmosphere, fired from a balloon at high altitude
 - Rock out  
verb phrase to totally enjoy a song, esp. rock and roll Examples rocked out to the Beatles Usage Note slang rock out
 - Rock-pigeon  
noun 1. rock dove. noun 1. another name for rock dove
 - Rock-plant  
noun 1. a plant found among rocks or in rock gardens. noun 1. any plant that grows on rocks or in rocky ground
 
