etch
verb /etʃ/
  /etʃ/
 [usually passive]Verb Forms
Idioms | present simple I / you / we / they etch |    /etʃ/   /etʃ/  | 
| he / she / it etches |    /ˈetʃɪz/   /ˈetʃɪz/  | 
| past simple etched |    /etʃt/   /etʃt/  | 
| past participle etched |    /etʃt/   /etʃt/  | 
| -ing form etching |    /ˈetʃɪŋ/   /ˈetʃɪŋ/  | 
- to cut lines into a piece of glass, metal, etc. in order to make words or a picture
- A (is) etched in/into/on B a glass tankard with his initials etched on it
 - A security number had been etched on the car window as a protection against theft.
 - B (is) etched with A a glass tankard etched with his initials
 
 - (literary) if a feeling is etched on somebody’s face, or somebody’s face is etched with a feeling, that feeling can be seen very clearly
- A is etched in/into/on B Tiredness was etched on his face.
 - B is etched with A His face was etched with tiredness.
 
 - to make a strong clear mark or pattern on something
- (be) etched + adv./prep. a mountain etched (= having a clear outline) against the sky
 
 
Word Originmid 17th cent.: from Dutch etsen, from German ätzen, from a base meaning ‘cause to eat’; related to eat.
Idioms 
be etched on your heart/memory/mind 
- if something is etched on your heart, memory, etc. you remember it because it has made a strong impression on you