凹痕

āohén
  1. dent
  2. indentation
  3. notch
  4. pitting

CEDICT

dent; indentation; notch

Wiktionary

Entry Composition

1 凹 āo concave; depressed; sunken; indented; female (connector etc)
2 痕 hén
  1. scar
  2. traces

Related entries

刻痕 kèhén notch
凹槽 āocáo
  1. recess
  2. notch
  3. groove
  4. fillister
切口 qiēkǒu
  1. incision
  2. notch
  3. slit
  4. gash
  5. margin of a page
  6. trimmed edge (of a page in a book)