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pit-pair

noun
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Definition of pit-pair

: two pits occurring opposite one another in the walls of adjacent cells of many higher vascular plants and acting together as a structural and functional unit

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History and Etymology for pit-pair

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“Pit-pair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pit-pair. Accessed 28 May. 2020.

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