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Foci
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Revision as of 11:28, 9 August 2007
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11:28, 9 August 2007
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Noun - [[focus]]
Noun - [[focus]]
−
Plural - countable and uncountable;
[[
foci
]]
or focuses
+
Plural - countable and uncountable;
'''
foci
'''
or focuses
*1. (countable) (optics) a point at which reflected or refracted rays of light converge.
*1. (countable) (optics) a point at which reflected or refracted rays of light converge.
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*6. (countable) the exact point of where an earthquake occurs, in three dimensions.
*6. (countable) the exact point of where an earthquake occurs, in three dimensions.
−
The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.
+
The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.
[http://en.wiktionary.org/wiki/focus]
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