pinpoint

nouns

a very brief moment

"they were strangers sharing a pinpoint of time together"

pinpoint

is a type of (narrower)

a particular point in time

"the moment he arrived the party began"

a very small spot

"the plane was just a speck in the sky"

pinpoint, speck

the sharp point of a pin

pinpoint

is a type of (narrower)

sharp end

"he stuck the point of the knife into a tree"; "he broke the point of his pencil"

locate exactly

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

nail, pinpoint