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ovum

American  
[oh-vuhm] / ˈoʊ vəm /

noun

  • ova
    plural
  1. Cell Biology.

    1. the female reproductive cell or gamete of animals, which is capable of developing, usually only after fertilization, into a new individual.

    2. the female reproductive cell or gamete of plants.

  2. Architecture. an oval ornament, as in an egg-and-dart molding.


ovum British  
/ ˈəʊvəm /

noun

  1. an unfertilized female gamete; egg cell

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of ovum

First recorded in 1700–10; from Latin ōvum egg 1; cognate with Greek ōión

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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.

See Examples For:

The ovum was seen through a microscope in 1827.

From Salon Oct. 23, 2022

The Oklahoma measure defines fertilisation as the "fusion of a human spermatozoon with a human ovum".

From BBC May 19, 2022

Let us take a ride, For truly, sir, thy life is incomplete ’Til viridescent ovum thou hast tried Together with a slice of glaucous meat!

From Washington Post May 16, 2019

When a sperm and ovum combine during fertilization, the result is a single cell with a full set of genes, called the zygote.

From Slate Sep. 18, 2018

Lanning considered, “If you had all your equipment—the brain, the skeleton, the ovum, the proper hormones and radiations—say, two months.”

From "I, Robot" by Isaac Asimov

The bill defines female as having XX chromosomes, and a reproductive and endocrine system that produces or would produce ova, or eggs.

From Seattle Times May 22, 2023

There are those, politicians, pundits and even a few scientists, who maintain that whether our bodies make ova or sperm are all we need to know about sex.

From Scientific American May 1, 2023

“Female” is defined as someone “whose biological reproductive system is developed to produce ova,” while “male” refers to those “whose biological reproductive system is developed to fertilize the ova of a female.”

From Washington Times Feb. 23, 2023

But the fact that the woman produced ova did not necessarily mean she was a source of life.

From Salon Oct. 23, 2022

Segmenting unequally; Ð said of telolecithal ova with complete segmentation.

From Webster's Unabridged Dictionary by Noah Webster

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