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.

Since 2012, the facility has been refining pure metals from raw materials mined in Western Australia, in an intensive and complicated separation procedure.

From Barron's • Apr. 22, 2026

The BLS has been refining its birth-death model, but to some extent, it will always be an educated guess.

From MarketWatch • Dec. 12, 2025

For years, Monolith has been refining “methane pyrolysis,” which involves taking natural gas, heating it to high temperatures, and producing two valuable products — ammonia, used in fertilizer, and carbon black, used in tires.

From New York Times • May 11, 2023

Helmholz-DeLay has been refining the menu since March 2020, drawing inspiration from techniques he’s learned over the years.

From Seattle Times • Dec. 1, 2021

Green Dot has been refining its mobile app for a while and it is now extremely easy to use.

From Encyclopedia.com • Feb. 13, 2018