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

Open areas like Johnson Valley — where you can race your side-by-side as fast as you want or land an ultralight on a dry lake bed — are unique American experiences that are growing rarer, he said.

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I wish I’d had this ultralight set instead.

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Whether it’s ultralight trekking poles, a reusable water bottle or a sun hoodie with thumb holes, the gear is part of the fun of hiking.

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CBA researchers were developing ultralight cellular structures for the aerospace industry, while Sea Grant researchers were assessing the performance of blowout preventers in offshore oil structures -- cylindrical valves that are used to seal off oil and gas wells and prevent them from leaking.

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Those include “fuzzy” or “warm” dark matter, composed of hypothetical, ultralight particles called axions, and even a whole “dark sector” of invisible particles and forces that would create galaxies with a different footprint.

Read more on New York Times