Ooo meaning

An abbreviation for hugs, usually placed at the end of a letter or in text messaging; often placed alongside xxx.

The little boy put some ooo at the end of his letter to Grandma, to let her know he loved her.

abbreviation
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A device that is purely optical in nature, rather than having electrical or electronic as well as optical components. The repeaters used in fiber optic transmission systems (FOTS), for example, are Optical-Electrical-Optical (OEO). Optical switches used in wavelength division multiplexed (WDM) transmission systems sometimes are purely optical. See also FOTS, OEO, optical, and WDM.
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An abbreviation for Out of Office, a phrase often used in professional contexts to indicate that someone is unavailable for work (usually because they are on vacation).

Bob is OOO today; let's ask Susie to help us with these TPS reports instead.

abbreviation
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(1) (OpenOffice.Org) See Apache OpenOffice.
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