凸 - convex, beetle brow, uneven

letterpress; relief printing

unevenness; roughness; ruggedness; bumpiness

letterpress; relief printing

unevenness; bumpiness; roughness; ruggedness

brow; forehead

convex mirror

waiting for a call (e.g. on livestream)

to charge; to rush; to assault; to attack

plano-convex lens

convex set

convex; cuspid; gibbous

odd couple; incongruous couple