pinpoint

Noun
  1. A very brief moment (synset 115270193)
    "they were strangers sharing a pinpoint of time together"
  2. A very small spot (synset 104688587)
    "the plane was just a speck in the sky"
  3. The sharp point of a pin (synset 103949820)
Verb
  1. Locate exactly (synset 202292225)
    "can you pinpoint the position of the enemy?"; "The chemists could not nail the identity of the chromosome"

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