1. (

• explosion ,
• detonation ,
• blowup

) a violent release of energy caused by a chemical or nuclear reaction ;

2. (

• effusion ,
• gush ,
• outburst ,
• blowup ,
• ebullition

) an unrestrained expression of emotion ;

3. (

• enlargement ,
• blowup ,
• magnification

) a photographic print that has been enlarged ;