What does revolute mean?
Revolute is a formal adjective meaning that something is rolled, curved, or turned backward. Its best-established use is botanical: a revolute leaf margin is the edge of a leaf that curves or rolls backward or downward, often revealing the leaf’s underside. Gardeners, botanists, and horticultural writers use it to describe subtle but recognizable features of leaves and petals, so it carries a sense of precise visual observation rather than general decoration. The term can also be applied more broadly to anything with a turned-back or recurved form, though this use is less common and often sounds literary or technical. In everyday conversation, people are more likely to say rolled-back, curled-back, or recurved. Revolute is especially useful when discussing plant identification, leaf anatomy, and the subtle differences between inward-rolled and outward-rolled edges.
Botanical adjective meaning having a margin or edge rolled backward or downward.
"The species is recognizable by its revolute leaf margins."
Most common in botanical, horticultural, and taxonomic descriptions.
Formal and literary adjective meaning curved, rolled, or turned backward.
"The metal casing had a revolute rim that folded toward the interior."
This broader sense is uncommon outside technical or literary contexts.
In botany, a leaf edge can be as precisely described as a piece of fabric: revolute means its margin curls backward like a small scroll.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does revolute come from?
Revolute comes through English from Latin revolutus, the past participle of revolvere, a form of revolver meaning to roll back or turn back. The English adjective appeared in the seventeenth century and was initially used for things that were rolled or turned back. It later became established in botanical terminology for describing leaf and petal margins. Related English words such as revolve, revolution, and revolver ultimately come from the same Latin root.
Related word forms
How revolute is actually used
The word is chiefly used in botanical and other technical descriptions. In general writing, it is formal and noticeably literary; in horticulture, it is usually applied to the margins of leaves or petals.
Easily confused with revolute
A revolute margin is rolled backward or downward, while an involute margin is rolled inward toward the upper surface of the leaf.