A ring- or donut-shaped area, object, or structure.
Used in a Sentence
annuli
Definitions, parts of speech, synonyms, and sentence examples for annuli.
Editorial note
The second equation is the equation for the area of the annuli given their radii.
Examples2
Definitions4
Parts of speech1
Quick take
A ring- or donut-shaped area, object, or structure.
Meaning at a glance
The clearest senses and uses of annuli gathered in one view.
(mathematics) (geometry) The region in a plane between two concentric circles of different radii.
(biology) (mycology) The membranous remnants of a partial veil which leaves a ring on the stem of a mushroom.
Definitions
Core meanings and parts of speech for annuli.
noun
A ring- or donut-shaped area, object, or structure.
noun
(mathematics) (geometry) The region in a plane between two concentric circles of different radii.
noun
(biology) (mycology) The membranous remnants of a partial veil which leaves a ring on the stem of a mushroom.
noun
(mathematics) (topology) Any topological space homeomorphic to the region in a plane between two concentric circles of different radii.
Example sentences
The second equation is the equation for the area of the annuli given their radii.
On general linguistic grounds: constraints like two-dimensional palindromes and the cakrabandha (where every third syllable of the fourth line matches a specific syllable of the first three lines, and certain annuli spell out something meaningful), are not discernible to the ear (unlike say, rhyme or assonance).
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use annuli in a sentence?
The second equation is the equation for the area of the annuli given their radii.
What does annuli mean?
A ring- or donut-shaped area, object, or structure.
What part of speech is annuli?
annuli is commonly used as noun.