fertilize
had fertilized
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past perfectof fertilize.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.
Three eggs had fertilized but none developed into embryos.
From The Wall Street Journal ● Nov. 14, 2025
In mid-March, the Murillos learned that eight of the eggs from their anonymous Czech donor had fertilized with Tony's sperm.
From Salon ● Aug. 22, 2020
By 1969, he successfully had fertilized an egg in a test tube — or, more accurately, in a laboratory Petri dish.
From Seattle Times ● Oct. 5, 2010
It was not, however, to be expected, or even desired by any who knew how to value him, that he should at once abandon those habits of study which had fertilized and invigorated his mind.
From Spare Hours by John Brown
Ages ago a torrent had fertilized the surrounding tract, and its dried- up bed was marked by water-smoothed boulders.
From The Wheel O' Fortune by Louis Tracy
