101

American  

[wuhn-oh-wuhn] / ˈwʌn oʊˈwʌn /

adjective

1. comprising the introductory material in or as if in a course of study (used postpositively).

   Economics 101; Life 101; It's Jungle 101 on a trip up the Amazon.

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Etymology

Origin of 101

First recorded in 1985–90

Example Sentences

For decades, Econ 101 held that raising the minimum wages killed jobs.

From The Wall Street Journal • Mar. 19, 2026

Downtown Los Angeles could hit 101 degrees and Glendale may reach 104 degrees on Tuesday as a record-shattering March heat wave grips the region.

From Los Angeles Times • Mar. 16, 2026

“The goal is to use as little as possible to get the point across,” Richards said in a recent interview with MarketWatch about his new book, “Your Money: Reimagining Wealth in 101 Simple Sketches.”

From MarketWatch • Mar. 16, 2026

But then, on the late-evening Uber ride home on 101, we pass through the trench at Hospital Curve and the city lights suddenly spread out before us.

From The Wall Street Journal • Mar. 6, 2026

I cruised out of the campsite area and jogged across the busy Highway 101.

From "We Were Here" by Matt De La Peña