to sink in or cave in; hollow; sunken; depressed

uneven; bumpy; rugged; full of bumps and holes

Jia Pingwa (1952-), a famous contemporary Chinese novelist from Shaanxi province; although the last character is usually read "āo", the author himself and most readers pronounce it "wā" in this name

groove; notch; recess; trough; canal; socket

concave; recessed; hollowed out

bumpy or uneven; concave and convex; having bumps and holes

hollow side; a surface that is sunken or lower in the middle than at the edges

concave depression; crater; hollow; scallop

A printing plate where the image is carved or etched below the surface, or a print made from such a plate; often used for stamps and banknotes to prevent counterfeiting.

low-lying and sunken; indented

A lens that is thinner at the center than at the edges; it causes light rays to diverge and is commonly used in eyeglasses for nearsightedness. Also called a [[发散透镜|發散透鏡|fa1 san4 tou4 jing4]].

(physiology) the small openings in the lining of the stomach that lead to the gastric glands

A spherical mirror with a reflective surface that curves inward, used to focus light; also called [[凹镜|凹鏡|ao1 jing4]] or [[会聚镜|會聚鏡|hui4 ju4 jing4]].

A mirror with a surface that curves inward, causing light to converge

the fovea centralis; a small depression in the retina of the eye providing the sharpest vision

to become hollow, concave, or sunken; to dent inward

recessed; concave; indented; the state of being drawn inward-curving or drawn inward

embossing; die stamping

crenelated; corrugated; uneven

(mathematics) the property of being concave or convex; concavity

Describes a woman's figure as having perfect curves; shapely

embossing; the process of creating a raised or recessed relief design on surfaces

abbreviated form of intaglio or gravure printing

a low-lying area of land or a depression in the ground

a concave bank of a river or waterway

the degree to which something is concave or hollowed out

bark of the tulip tree, used in traditional Chinese medicine

an intaglio printing plate or a print made from such a plate

cavity; pit

sunken; depressed; concave; low-lying ground; a depression or calix

A printing method where ink is held in the sunken parts of a plate and then pressed onto paper; gravure

a concave shape; an indented or sunken appearance

dent; indentation; notch; pitting; intaglio marks or traces

a sunken or concave design or pattern

a recessed line or furrow; groove

an internal angle of a polygon that is greater than 180 degrees; an inward-pointing angle

(slang) to strike a pose; to pose for a photograph or to look stylish

the art of intaglio carving or engraving; an engraved or incised figure or design

a low point or depression between two mountains; a mountain hollow

cocobolo (Dalbergia retusa); a tropical hardwood from Central America

A printing plate made using photographic techniques where the image is etched below the surface; gravure.

the indentation on either side of the nose