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Meaning of ultralight

ul•tra•light

Pronunciation: (adj.ul"tru-līt', ul'tru-līt"n.ul'tru-līt"), [key]
— adj.
  1. extremely lightweight in comparison with others of its kind: a car with an ultralight engine.
—n.
  1. something that is ultralight.
  2. a small, light, inexpensive single-seat airplane that is essentially a motorized hang glider.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.