noun. A tiny puncture made by or as if by a pin.

noun. A small hole made by the puncture or perforation of a pin; hence, any very small aperture.

noun. A minute perforation or transparency, as if made with the point of a pin, of which great numbers sometimes appear in the film of a photographic negative from some chemical defect or fault in manipulation.

noun. In archery, the exact center of the target. Hits in the gold are measured by their distance from the pinhole. Compare pin, n., 2 .

noun. A small hole, of a size that could have been made by a pin

noun. a small puncture that might have been made by a pin

"The interesting thing about this system is it started off with what we call a pinhole eye -- very, very tiny eye, no more than four, five miles in diameter."

false pinhole  pinhole photography  pinic acid  

pinhole camera  pinhole chert  pinhole detector  pinhole glasses  pinhole pupil  

puncture  

35-mm  areal  auto-focus  biocontainment  branchial  

air hole  armhole  blowhole  bullet-hole  bunghole