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trilobe

noun
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tri·​lobe | \ ˈtrī+ˌ- \

Definition of trilobe

: something having or distinguished by three lobes especially : a trilobate gear wheel

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History and Etymology for trilobe

tri- + lobe

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“Trilobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trilobe. Accessed 25 Feb. 2021.

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