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UL

American  
  1. Underwriters' Laboratories (used especially on labels for electrical appliances approved by this nonprofit safety-testing organization).


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An electrical product carries a UL mark because Underwriters Laboratories, a private body, has tested it, and because retailers and insurers learned not to trust products that didn’t.

From The Wall Street Journal • Jun. 22, 2026

He pointed to data released last June by UL Standards & Engagement, a US-based non-profit safety organisation, which said there were two flights per week on average in 2024 with a "thermal runway incident".

From BBC • May 25, 2026

Eurofins Scientific agreed to sell its MET Labs division to UL Solutions for 575 million euros, causing Eurofins shares to jump 5.1%.

From The Wall Street Journal • Apr. 14, 2026

If successful, the research undertaken by the team at UL also has the potential to remove environmentally damaging materials such as lead from consumer electronics.

From Science Daily • Nov. 19, 2024

Sad nymphs of UL, U have much to cry for, Sweet MLE K U never more shall C!

From The Mirror of Literature, Amusement, and Instruction Volume 12, No. 339, November 8, 1828 by Various

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