sec (oh) and Erosion (health)

[Date: 1800-1900; Origin: SECOND2]
a sec
spoken informal a very short period of time
hang on a sec/hold on a sec/just a sec etc
(=wait a short time)
::'Is Al there?' 'Hold on a sec, I'll check.'
in a sec
::I'll be with you in a sec.
the written abbreviation of second
::Journey time: 25 mins 14 secs.

Erosion (health)

An erosion is an eating away of a surface.

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