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English definition of “dot”

dot

noun
 
/dɑt/
a small, round mark or spot: a pattern of blue and green dots
B1 [no plural] the spoken form of “.” in an Internet address: dot com (= .com)
on the dot at that exact time: We have to leave at 7:30 on the dot.
(Definition of dot from the Websters Essential Mini Dictionary © Cambridge University Press)
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