| has gloss | (noun) a concavity in a surface produced by pressing; "he left the impression of his fingers in the soft mud"
impression, depression, imprint |
| lexicalization | eng: depression |
| lexicalization | eng: impression |
| lexicalization | eng: imprint |
| subclass of | (noun) a shape that curves or bends inward
concave shape, concavity, incurvature, incurvation |
| has subclass | (noun) a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)
channel, groove |
| has subclass | (noun) any slight depression in a surface; "there are approximately 336 dimples on a golf ball"
dimple |
| has subclass | (noun) a depression in an otherwise level surface; "there was a dip in the road"
dip |
| has subclass | (noun) a depression scratched or carved into a surface
prick, dent, slit, incision, scratch |
| has subclass | (noun) a shape that sags; "there was a sag in the chair seat"
droop, sag |
| has subclass | (noun) a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles"
line, wrinkle, crinkle, crease, furrow, seam |
| has subclass | (noun) a long narrow depression in a surface
chap, crack, crevice, cranny, fissure |
| has subclass | (noun) a small natural hollow in the cheek or chin; "His dimple appeared whenever he smiled"
dimple |