noun ac·tin·o·stele \ak-ˈti-nə-ˌstēl also ˌak-tə-(ˌ)nō-ˈstē-lē\

Definition of actinostele



  1. :  a vascular core (as in most roots and some stems) having the xylem and phloem in alternating or radial groups within a pericycle — compare stele

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Origin and Etymology of actinostele

actin- + stele

First Known Use: 1902

Seen and Heard

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feeling or affected by lethargy

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