Listen to an audio pronunciation
Listen to an audio pronunciation
Usage note
The plural of "annulus" is "annuli" or "annuluses."
A noun is a word referring to a person, animal, place, thing, feeling or idea (e.g. man, dog, house).
1. (mathematics)
a. la corona circular
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
If you know how to find the area of a circle, finding the area of an annulus is quite simple.Si sabes determinar la superficie de un círculo, determinar la superficie de una corona circula es bastante fácil.
Copyright © Curiosity Media Inc.
Word Roots
Hover on a tile to learn new words with the same root.
Loading roots
Learn Spanish with Fluencia
Try Fluencia, the new Spanish learning program from SpanishDict.
  • Fun and interactive
  • Highly effective
  • Easy to use
  • Works on any device
Start Learning