different between tubercle vs convexity

English

From Latin tuberculum.

tubercle (plural tubercles)

(anatomy) A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.
(botany) A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.
(pathology) A small rounded nodule forming the characteristic lesion of tuberculosis.

convex +? -ity

convexity (countable and uncountable, plural convexities)

The state of being convex.
A convex line or surface.
(finance) A measure of the curvature in the relationship between the prices and yields of bonds.

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