1. (

• refutation ,
• defense ,
• defence ,

) the speech act of answering an attack on your assertions; "his refutation of the charges was short and persuasive"; "in defense he said the other man started it" ;

2. (

• disproof ,
• falsification ,
• refutation

) any evidence that helps to establish the falsity of something ;

3. (

• falsification ,
• falsifying ,
• disproof ,
• refutation ,
• refutal

) the act of determining that something is false ;