wickless

/ˈwɪkləs/
adjective
  1. Having no wick; describing a candle, lamp, or device that produces light or heat without a traditional wick.
    • The new wickless candle uses a special gel that burns cleanly.
    • She bought a wickless lantern for camping because it was safer.
    • Many modern oil lamps are wickless, using a ceramic burner instead.