an·​nu·​lar | \ ˈan-yə-lər How to pronounce annular (audio) \

Definition of annular

: of, relating to, or forming a ring an annular skin lesion

Examples of annular in a Sentence

Recent Examples on the Web On June 10, there will be an annular solar eclipse. Popular Science, "Mars missions, a super-powered telescope, and more exciting 2021 space events," 7 Jan. 2021 On June 10 the moon will block out part of the sun in what is called an annular solar eclipse. Dean Regas, USA TODAY, "Lunar eclipses, meteor showers: Look out for these astronomical highlights coming in 2021," 31 Dec. 2020 Also known as an annular solar eclipse, this stunning event occurs when the moon, sun, and Earth are aligned so that the lunar disk is too small to cover the entire sun, leaving a ring of light around the dark lunar silhouette. Andrew Fazekas, Science, "10 spectacular stargazing events to watch in 2021," 29 Dec. 2020 The Pacific Northwest won’t see another solar eclipse until the annular solar eclipse of Oct. 14, 2023 and the total solar eclipse of April 8, 2024. oregonlive, "Lunar eclipse coming Sunday night, though it might be hard to see," 27 Nov. 2020 On Sunday, June 21, the annular solar eclipse will be visible in parts of Africa, Pakistan, India, and China, according to Isabel Garcia, House Beautiful, "A Rare "Ring of Fire" Solar Eclipse Is Occurring This Weekend," 16 June 2020 But the smaller, more distant moon in an annular solar eclipse only partially covers the sun, creating a flaming, silhouetted ring. Candice Wang, Popular Science, "You may be able to spot a ‘ring of fire’ eclipse this weekend," 19 June 2020 Yesterday, the moon crossed in front of the sun in an annular solar eclipse, as seen by residents across broad sections of Africa, the Middle East, and Asia. Alan Taylor, The Atlantic, "A Solstice ‘Ring of Fire’ Solar Eclipse," 22 June 2020 Lucky stargazers in the Eastern Hemisphere were able to see the annular solar eclipse on the heels of the summer solstice on Sunday. Alaa Elassar, CNN, "Astronauts are spending Father's Day in space watching the solar eclipse," 21 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'annular.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of annular

1571, in the meaning defined above

History and Etymology for annular

Middle French or Medieval Latin; Middle French annulaire, from Medieval Latin anularis, from Latin anulus

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Time Traveler for annular

Time Traveler

The first known use of annular was in 1571

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Cite this Entry

“Annular.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2021.

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More Definitions for annular


an·​nu·​lar | \ ˈan-yə-lər How to pronounce annular (audio) \

Medical Definition of annular

: of, relating to, or forming a ring the annular diaphragm of a microscope

More from Merriam-Webster on annular

Thesaurus: All synonyms and antonyms for annular

Britannica English: Translation of annular for Arabic Speakers

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