annular

(redirected from annularity)
Also found in: Dictionary, Thesaurus, Medical.

annular

[′an·yə·lər]
(mining engineering)
The space between the casing and wall of a hole or between a drill pipe and casing.

annular

Said of a ring-shaped structure or object.
References in periodicals archive ?
It is entirely possible that an annular eclipse may appear as annular outside its path of annularity, where it is essentially partial.
He noted that oxygen (Offl) and UHC (ultra-high contrast) filters gave similar contrast enhancements, but that the UHC was better at showing the annularity, which was subtle.
Devgun said that the path of annularity in India would pass over the states of Kerala, Tamil Nadu and Mizoram, while the partial phase of eclipse would be visible all over the country.