brightline

or bright-line

[ brahyt-lahyn ]

adjective

1. (of rules, standards, etc.) unambiguously clear:

   This muddies the waters of what should be a brightline rule.

noun

1. Physical Chemistry. brightline spectrum.

Word History and Origins

Origin of brightline¹

bright + line ¹

Example Sentences

One day in the late 2020s, if the people at Brightline West deliver on their promised fast train between Southern California and Las Vegas, you’ll be able to order a drink while rolling toward the Strip.

From Los Angeles Times

Brightline West, the rail company that has begun building a fast train between Southern California and Las Vegas and aims to be done in time for the 2028 Olympics, has awarded a construction contract and released a rendering of lounge car designs for the route.

From Los Angeles Times

Brightline West spokesperson Antonio Castelan said the passenger cars would be pet-friendly, featuring charging ports at every seat, free Wi-Fi, storage for carry-ons and bikes and restrooms providing “an innovative hands-free experience.”

From Los Angeles Times

Brightline West officials have said the trains, powered by electricity, will be capable of speeds up to 200 mph, traveling 218 miles from Las Vegas to a Rancho Cucamonga station in about two hours.

From Los Angeles Times

Brightline West, whose parent company currently operates trains connecting several cities in Florida, broke ground for the route to Las Vegas on April 22.

From Los Angeles Times