A contemporary quartz watch. Time perception is a field of study within psychology, cognitive linguistics and neuroscience that refers to the subjective experience of time, which is measured by someone's own perception of the duration of the indefinite and unfolding of events.
Cosine, a trigonometric function. COS cells, a cell line used by biologists. Carbonyl sulfide, (COS) a chemical compound. Cobalt sulfide, (CoS) a chemical compound. Class of service (CoS), a 3 bit field within a layer two Ethernet frame header defined by IEEE 802.1p. Class of service (COS), a configuration parameter in legacy telephone systems.
.CO is already meaningful and recognizable in multiple languages and cultures. It's the acronym for company. For most people1, the two letters â CO â are recognized as meaning company and/or corporation across the globe. Look around and someone near you is already using the letters CO in that context.