As a Verb or Adjective: 1. A CORROSIVE substance is something that can destroy or eat away at solid materials. For example: a strong acid. Note: 1. The signer in the video is giving an Auslan explanation of the English term CORROSIVE. There appears to be no commonly used Auslan sign for CORROSIVE (but some signers represent this visually using depicting signs, once they have established the topic). If you know a sign for CORROSIVE used by you or other Auslan users (deaf people or interpreters) please go to "Report missing sign" and supply details. Thank you.