Origin of annular
Examples from the Web for annular
We shall afterwards see how far this hypothesis is borne out by other evidence in the regions of annular reefs or atolls.Principles of Geology|Charles Lyell
These tubes fill an annular area, the central un-tubed portion below the baffle cap B forming the vapor chamber.Steam Turbines|Hubert E. Collins
The pump valves are annular, of brass, faced with rubber, and close by brass spiral spiral springs.
Growing by annular layers near the surface; belonging to the Exogens.
The spool fits fairly tight upon the end of the core, and when in position rests against an annular shoulder in the recess.Electricity for Boys|J. S. Zerbe
British Dictionary definitions for annular
Word Origin for annular
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.