plural noun Het·er·o·tri·cha·les \ˌhetərō‧trəˈkā(ˌ)lēz\

Definition of Heterotrichales

  1. :  an order of yellow-green algae comprising all those with cells arranged in simple or branching filaments and including the single family Tribonemaceae

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Origin and Etymology of heterotrichales

New Latin, from heter- + trich- + -ales

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