ANNULUS • E-FREE TRANSLATION.COM • Definition of Annulus

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noun

Annulus n. (pl. annuli)

A ring; a ringlike part or space.

(Geom.)

(a)

A space contained between the circumferences of two circles, one within the other.

(b)

The solid formed by a circle revolving around a line which is the plane of the circle but does not cut it.

(Zool.) Ring-shaped structures or markings, found in, or upon, various animals.

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Etymology of 'Annulus'

Collaborative International Dictionary of English 0.48

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"Annulus" Quotes from Famous Books

... such essential articles, as their corn and their water. You know the praeses of a Roman province had the jus sigendi clavi, the right to drive a nail in the Kalendar, the privilege of wearing the latus clavus, or broad studs on his garment, the gladius, infula, praetexta, purpura & annulus aureus, the Sword, Diadem, purple Robe, and gold Ring, he had his vasa, vehicula, apparitores, Scipio eburneus, & sella curulis, Kettledrums, [I know the kettledrum is a modern invention; but the vasa militari modo conclamata was something analogous.] Chariots, Pursuivants, ...

— Travels Through France and Italy • Tobias Smollett

Words linked to "Annulus" : kingdom Fungi, doughnut, fungus kingdom, anchor ring, plant structure, plant part, fairy circle, partial veil, toroid, skirt