ovu·​la·​tion ˌä vyə-ˈlā-shən How to pronounce ovulation (audio) ˌō- How to pronounce ovulation (audio)
: the discharge of a mature ovum from the ovary

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Example Sentences

Recent Examples on the Web The sensor’s primary function is for tracking ovulation. Nicole Nguyen, WSJ, 15 Sep. 2022 The company's Apple Watch Series 8, meanwhile, will include a new temperature sensor intended to help women retrospectively track their ovulation cycles in addition to the crash detection feature also debuting on the iPhone 14. CBS News, 8 Sep. 2022 Research shows that emergency contraceptives such as ella prevent pregnancy by preventing or delaying ovulation to avoid fertilization. Lindsey Bever, Washington Post, 3 Aug. 2022 Apple Watch Series 8 features crash detection, which includes the emergency crash-detection capaiblity; and ovulation-cycle detection with the device’s enhanced temperature sensor. Todd Spangler, Variety, 7 Sep. 2022 Again, this is a time when the body is experiencing a surge of hormones, and progesterone levels rise right after ovulation. Rozalynn S. Frazier, SELF, 29 July 2022 Another potential technology implementation involves fertility planning, allowing women to monitor their ovulation cycle better. Chris Smith, BGR, 12 Aug. 2022 However, an Oregon Health Sciences University study found that doubling the dose of Plan B does not prevent ovulation any more than a single dose. Jenna Ryu, USA TODAY, 19 July 2022 Emergency contraceptives typically work by delaying or preventing ovulation and are intended as a backup method of birth control. Megan Cerullo, CBS News, 28 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ovulation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Word History


ovule or its source, Medieval Latin ōvulum + -ation

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of ovulation was in 1848

Dictionary Entries Near ovulation

Cite this Entry

“Ovulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ovulation. Accessed 29 Sep. 2022.

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Medical Definition



ˌäv-yə-ˈlā-shən also ˌōv-
: the discharge of a mature ovum from the ovary

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Last Updated: 24 Sep 2022

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