pinpoint (
http://definr.com/pinpoint)
adj : meticulously precise; "pinpoint accuracy" [syn:
pinpoint(a)]
n 1: a very brief moment; "they were strangers sharing a pinpoint
of time together"
2: a very small spot; "the plane was just a speck in the sky"
[syn:
speck]
3: the sharp point of a pin
v : locate exactly; "can you pinpoint the position of the
enemy?"; "The chemists could not nail the identity of the
chromosome" [syn:
nail]