ultralight

[ adjective uhl-truh-lahyt, uhl-truh-lahyt; noun 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

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.

From Los Angeles Times

I wish I’d had this ultralight set instead.

From Los Angeles Times

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.

From Science Daily

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.

From New York Times

"The troubleshooting process has given us many new insights and has sharply focused us on the connection between our modular structure and the diagonal booms. We have developed new ways to counter the effects of self-weight in ultralight deployable structures."

From Science Daily