pinhole

related words
lepton
hexagon
pentagon
octahedron
spheroid
parabolic
high-precision
geodesic
dichroic
magnifying
dimensionally
escapement
radially
quadrilateral
rectilinear
lenticular
counterclockwise
reflectivity
timepiece
optically
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Pinhole camera
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Wireless Markup Language
Genus
Ship-Submarine Recycling Program
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