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annulus
(redirected from annular ring)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
annulus [′an·yə·ləs]
(anatomy)
Any ringlike anatomical part.
(botany)
An elastic ring of cells between the operculum and the mouth of the capsule in mosses.
A line of cells, partly or entirely surrounding the sporangium in ferns, which constricts, thus causing rupture of the sporangium to release spores.
A whorl resembling a calyx at the base of the strobilus in certain horsetails.
(mathematics)
The ringlike figure that lies between two concentric circles.
(mycology)
A ring of tissue representing the remnant of the veil around the stipe of some agarics.
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This equipment, in fact, had to be the right tool for particular circuits having a very critical annular ring.
The R&D outlook for 2009: last, but not least, the final installment ... by Nargi-toth, Kathy / Printed Circuit Design & Fab
We've seen plenty of evidence a PTH solder fillet can, from the outside, be visually acceptable, but on the inside lack the knee to connect the barrel to the annular ring.
Revisiting rework: excess copper dissolution remains a big problem ... by Shea, Chrys / Circuits Assembly
In woodturning, a sub-type of a center of phase is a center of cup, which is a metal cone surrounded by an annular ring of the metal which decreases the chances to duplicate object.
Lathe. Accessories by Jeremy Stone / Home based business community
 
 
 
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