alterar significado en inglés

alter [altered, altering, alters]▼(to change the form or structure of)
verb
[UK: ˈɔːl.tə(r)] [US: ˈɒl.tər]The image was altered. = La imagen fue alterada.

tamper [tampered, tampering, tampers]▼(alter by making unauthorized changes)
verb
[UK: ˈtæm.pə(r)] [US: ˈtæm.pər]