You searched for: “acyclic
acyclic (adjective), more acyclic, most acyclic
1. In botany, a reference; especially. to flowers whose parts are arranged in spirals rather than in whorls, as with magnolias.

A whorl is an arrangement of leaves, petals, sepals, etc., in a circle around the stem.

2. In chemistry, having an open-chain molecular structure rather than a ring-shaped structure.
This entry is located in the following units: cyclo-, cycl-, -cycle, -cyclic, -cyclical, -cycles (page 1) -ic (page 6)