plano-concave

/pley-noh-kon-keyv, -kon-keyv/US // ˌpleɪ noʊˈkɒn keɪv, -kɒnˈkeɪv //UK // (ˌpleɪnəʊˈkɒnkeɪv) //

平凹型,平凹形,平凹式,平凹

Definitions

adj.形容词 adjective

1
Optics.
- : pertaining to or noting a lens that is plane on one side and concave on the other.

The Vatican gave no clear reason for removing Livieres Plano from his post in their official announcement.
The reunion weekend began at a VFW hall in a non-descript strip mall in Plano—the Casey Joyce All-America Post 4380.
The first two rapes happened within five months of each other in Plano, a suburb northwest of Dallas with a population of 250,000.
On Oct. 1, 2010, Huawei opened a new headquarters in Plano, Texas.
Sagging milk-filled breasts must appear perky; the once-swollen abdomen is made concave.
Ellis's patent boot studs to save the sole, and the Euknemida, or concave-convex fastening springs, are the latest novelties.
Lamb turned the paper over and winked at himself in the concave mirror of the semi-circle of bar.
The seat should slope downward a little toward the back, be slightly concave, and have rounded edges in front.
Of the two broader sides one was concave, the other convex; while of the narrower sides one was flat and the other indented.
His hair is long and black, and in his throat is a thick concave bone.