by memory meaning

• Adverb: by memory
  1. By committing to memory
     - by heart

• in memory of:    [American slang]pr ...
• memory:    Noun: memory  ...
• acoustic memory:    [Electronics]In a ...

Examples

1. myself, i don't live by memory
2. avoid to have the job by memory
3. no, that she's playing by memory
4. many were also scarred by memories of appeasement in the 1930s
5. sketches by memory