axenic /ā-zenˈik/

(of a biological culture) not contaminated

• firedrake
• firedrakes
• fire drill
• fire drills
• fire-eater
• fire-eaters
• fire-edge
• fire-edges
• fire engine
• fire engines
• fire escape
• fire escapes
• fire extinguisher
• fire extinguishers
• fire-eyed
• firefight
• firefighter
• firefighters
• firefighting
• firefights
• fire-flag
• fire-flags
• fire-flaught
• fireflies
• firefloat