- having the form of a ring.
- (of a carpenter's nail) having a series of concentric grooves to improve holding power.
Origin of annular
Examples from the Web for annular
Hind found that the eclipse was annular on the central line.
In 1567 there was an annular eclipse visible at Rome on April 9.
In 1748 Scotland was again favoured with a central eclipse, but it was only annular.
The angle of the anterior chamber is a true angle and not an annular sinus.Glaucoma
One of the annular constrictions is constantly in the sagittal plane (separating the right and left halves of the shell).
- ring-shaped; of or forming a ring
Word Origin and History for annular
"ring-shaped," 1570s, from French annulaire (16c.) or directly from Latin annularis "pertaining to a ring," from annulus, diminutive of anus "ring" (see anus). An annular eclipse (1727) is one in which the dark body of the moon is smaller than the disk of the sun, so that at the height of it the sun appears as a ring of light. Related: Annularity.
- Shaped like or forming a ring.
- Forming or shaped like a ring.