attenuate
verb (used with object)
to weaken or reduce in force, intensity, effect, quantity, or value.
had attenuated
-
past perfectof attenuate.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
By the second wave in the fall, mutations had attenuated the coronavirus, many people were immune and drugs were shown effective in treating it and even in reducing infection.
From New York Times ● Mar. 20, 2020
Like Virginia Tucker before her, Dorothy Vaughan now presided over an appendix, still attached to the research operation but whose function had attenuated over time.
From "Hidden Figures" by Margot Lee Shetterly
