entrance cone

noun

Definition of entrance cone

1 : the protuberance of cytoplasm through which the fertilizing sperm enters an egg
2 : the portion of a wind tunnel from which the air flows to the test section

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Cite this Entry

“Entrance cone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/entrance%20cone. Accessed 9 Jul. 2020.

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