burning glass

American  

noun

1. a converging lens used to produce heat or ignite substances by focusing the sun's rays.

---

burning glass British  

noun

1. a convex lens for concentrating the sun's rays into a small area to produce heat or fire

---

Etymology

Origin of burning glass

First recorded in 1560–70

Example Sentences

“We’re in the early stages of a once-in-a-generation technological shift,” said Gad Levanon, chief economist at the Burning Glass Institute, a labor-research firm.

From MarketWatch

While workers have more than 1 million credentials to choose from, just 12% of credentials lead to meaningful wage gains, according to an analysis from the Burning Glass and American Enterprise Institutes.

From MarketWatch

When it comes to college-educated workers, “their worries are very understandable, given everything that is in the news,” said Guy Berger, a labor economist and senior fellow at the Burning Glass Institute.

From The Wall Street Journal

A year after some companies said they were removing a degree requirement, the share of workers without a bachelor’s degree hired by those firms increased by just 3.5%, according to research from the Burning Glass Institute and Harvard Business School.

From MarketWatch

Aside from claims filed by federal workers, the state data indicate that the number of new claims for unemployment remain low, noted Guy Berger, senior fellow at the Burning Glass Institute.

From The Wall Street Journal