annular

[ an-yuh-ler ]

adjective

1. having the form of a ring.
2. (of a carpenter's nail) having a series of concentric grooves to improve holding power.

annular

/ ˈænjʊlə; ˌænjʊˈlærɪtɪ /

adjective

1. ring-shaped; of or forming a ring

annular

/ ăn′yə-lər /

1. Forming or shaped like a ring.

Derived Forms

• ˈannularly, adverb
• annularity, noun

Other Words From

• annu·lari·ty noun
• annu·lar·ly adverb
• inter·annu·lar adjective

Word History and Origins

Origin of annular¹

1565–75; < Latin annulāris, equivalent to annul ( us ) ring (variant of ānulus ) + -āris -ar ¹

Word History and Origins

Origin of annular¹

C16: from Latin annulāris, from annulus, ānulus ring

Example Sentences

Porokeratosis is a skin disease that leads to the development of annular or circular, red and itchy lesions.

From Science Daily

I have an assortment of neutral density filters because I had previously photographed an annular eclipse, when the moon is farther away in its Earth orbit and therefore doesn’t block the entirety of the sun.

From Seattle Times

She had seen many eclipses before today, two totals, one annular and two partials.

From BBC

Further examination of the radially polarized beam behavior when focused with an annular shape revealed that the longitudinal field is greatly enhanced.

From Science Daily

In a total eclipse, the Moon fully blocks the Sun from Earth view, while during an annular eclipse, a narrow ring of sunlight can be seen encircling the Moon.

From Salon