had sterilized
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past perfectof sterilize.past perfect
Used to express a completed action that took place before another specific past action occurred.
sterilizeverb (used with object)to destroy microorganisms in or on, usually by bringing to a high temperature with steam, dry heat, or boiling liquid.
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.
Then Dr. Salk moved from the stove, where he had sterilized needles and syringes, and injected his sons.
From New York Times ● Dec. 25, 2020
By now Mr. Peck had sterilized the glass with the alcohol and was prepared to make his test.
From Hooded Detective, Volume III No. 2, January, 1942 by Various