1. (

• pinpoint

) a very brief moment; "they were strangers sharing a pinpoint of time together" ;

2. (

• speck ,
• pinpoint

) a very small spot; "the plane was just a speck in the sky" ;

3. (

• pinpoint

) the sharp point of a pin ;

1. (

• pinpoint ,
• nail

) locate exactly; "can you pinpoint the position of the enemy?"; "The chemists could not nail the identity of the chromosome" ;