ultralight

[uhl-truh-lahyt, uhl-truh-lahyt, uhl-truh-lahyt]

adjective

1. extremely lightweight in comparison with others of its kind.

   a car with an ultralight engine.

noun

1. something that is ultralight.

2. a small, light, lights, inexpensive single-seat airplane that is essentially a motorized hang glider.

Word History and Origins

Origin of ultralight¹

First recorded in 1970–75; ultra- + light ²

Example Sentences

These particles, called ultralight bosons, are predicted by some theories that go beyond the Standard Model of particle physics, which describes and classifies all known elementary particles.

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If ultralight bosons exist, they can extract rotational energy from black holes.

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The observation that the massive black hole in the binary system that emitted GW241011 continues to rotate rapidly even millions or billions of years after it formed rules out a wide range of ultralight boson masses.

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Pivotal’s eVTOL is the first ultralight electric vertical takeoff and landing aircraft to reach the consumer market.

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Last week, we reported on the Pivotal BlackFly, the first series-produced ultralight eVTOL to reach the consumer market.

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