annular

This improved process of casting may also be employed for objects which do not possess an exactly annular section.

The steam-cylinders of this engine were placed one within the other, the low-pressure exterior cylinder being annular.

For about five minutes the eclipse was annular—only a little rim of light gleamed forth.

The broken lines represent similar data for the annular eclipses.

The ring is, perhaps, a type of the annular money, then current among the Britons.