Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That forced the Max Planck Institute for Extraterrestrial Physics, for example, to shut down one of the two instruments onboard the Russian Spektr-RG spacecraft, which was mapping the universe in x-ray wavelengths.
From Science Magazine ● Nov. 9, 2023
Two decades ago Mayberg was mapping brain circuits involved in depression and noticed that every time an antidepressant worked, area 25 became less active.
From Scientific American ● Sep. 20, 2023
But Dumitru Alaiba, Moldova's new economy minister, told Reuters this month he was mapping out long-term reforms and would slash bureaucracy to lay foundations of a business-friendly economy and accelerate EU entry.
From Reuters ● Dec. 30, 2022
Pereira, a longtime official with Funai, the government’s Indigenous rights agency, was mapping criminal activity in the valley.
From Washington Post ● Jun. 13, 2022
Even before Livingston’s results had been validated properly, Ernest was mapping out a campaign to acquire a more powerful electromagnet to drive protons beyond the million-volt threshold.
From "Big Science" by Michael Hiltzik
