fragment
noun
a part broken off or detached.
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.
Mammals first began to diversify about 102 million years ago, when Earth’s continents were fragmenting and sea levels began rising.
From New York Times ● Apr. 27, 2023