aperture- Sarah R.

1. Definition- noun: ap-er-ture- an opening, as a hole, slit, crack, gap, ect.




Also called aperture stop. Optics. an opening, usually circular, that limits the quantity of light that can enter an optical instrument




2. Etymology- Middle English , from Latin apetura, from apertus, past participle of aperire to open.




3. Synonym- hole




4. Antonym- closing, blackage, dam




5. Sentence- The old building had an aperture in the side of it.





6. Picture demonstrating the word.








6.


"Aperture." Www.dictionary.com. 10 Mar. 2009 http://dictionary.reference.com/browse/aperture?qsrc=2888.

Aperture Defiition. 10 Mar. 2009 http://www.merriam-webster.com/dictionary/aperture.

Aperture Hole. 10 Mar. 2009 http://fogonazos.blogspot.com/2007/02/largest-drain-hole-ever.html.