1. A dark oil consisting mainly of hydrocarbons
   - petroleum, crude oil, crude, rock oil, oil, black gold

Type of: fossil fuel, oil

• follicle-stimulating hormone
• follicular
• folliculitis
• follies
• follow
• follow out
• follow suit
• follow up on
• follow-my-leader
• follow-on
• follow-the-leader
• follow-through
• follower
• followers
• Followers of the Phrophet
• following
• followup
• folly
• Folsom culture
• foment
• dethronement
• detick
• detinue
• detonate
• detonating device