punctum

/ˈpʌŋktəm/
noun
  1. A small, distinct point or dot, especially in writing, printing, or a visual field.
    • In the diagram, each punctum represents a single data point.
    • She noticed a tiny punctum on the photograph that drew her eye.
    • The ancient manuscript had a punctum above the letter to indicate a pause.
  2. In photography and visual studies, a detail in an image that personally and emotionally affects the viewer, often unexpectedly.
    • For the critic, the child's torn shoe in the war photo was the punctum that made the image unforgettable.
    • The punctum of the portrait was the subject's slight, sad smile.
    • When looking at the old family album, the punctum for me was the faded ribbon in my grandmother's hair.
  3. In anatomy, a small opening or point, such as the lacrimal punctum (the tiny hole in the eyelid that drains tears).
    • A swollen punctum can cause watery eyes.
    • Each eyelid has a punctum that helps channel tears into the nasal cavity.
    • The doctor examined the patient's lacrimal punctum to check for blockage.
Synonyms
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