on the dot
Exactly; precisely, especially of a time of day.
He arrived at 10 o'clock, on the dot.
dot
/dɒt/
noun 10verb 5name 3prep 1
Collocations
5ADJ.
against, black, equal, red, small, small, sure, tiny
A small red dot appeared on the horizon as the sun began to set.
VERB + DOT
add, am, forget, leaving, pairs, put
I always forget to dot the i's when I write quickly in my notebook.
DOT + NOUN
'i's, com, crews, distance, earth, i's, matrix, printer
From space, Earth looks like a tiny dot in the vast universe.
PREP.
about, across, in, on, on, than
I spent the afternoon dotting about the garden looking for my lost keys.
ADV.
again
I checked my email again, but there was just a dot on the screen.
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