Pinhole
['pɪnhəʊl] or ['pɪnhol]
Examples
- But the least crevice is sufficient for the purpose; a pinhole will do the business. Benjamin Franklin. Memoirs of Benjamin Franklin.
- We never expect to see around a corner, and if we wish to see through pinholes in three separate pieces of cardboard, we place the cardboards so that the three holes are in a straight line. Bertha M. Clark. General Science.
- The candle cannot be seen unless the three pinholes are in a strait line. Bertha M. Clark. General Science.
Checked by Annabelle