noun, plural con·cav·i·ties for 2.
- concato's disease,
- concave lens,
- concavo-concave lens,
- concavo-convex lens,
Origin of concavity
Examples from the Web for concavity
A concavity at the apex of the thigh, underneath, to receive the base of the Tibia.An Introduction to Entomology: Vol. III (of 4)|William Kirby
Of the concave there are three sorts; some have the concavity above, some in the middle, and some at the end.A Treatise on Painting|Leonardo Da Vinci
Diffuse stimulation induces, in both, a concavity of the more excitable lower half with the down movement of the leaf or the stem.Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
Its crest, viewed en profile, exhibited a saddle-shaped curve, the concavity turned upward.The Boy Slaves|Mayne Reid
The iliac recess is a concavity dorsolateral to the sharply curving posterior end of the internal ilio-ischiatic crest.Variation in the Muscles and Nerves of the Leg in|E. Bruce Holmes
noun plural -ties
c.1400, from Old French concavité "hollow, concavity" (14c.) or directly from Latin concavitatem (nominative concavitas), from Latin concavus "hollow" (see concave).