Rather, it is energy in a portable form, somewhat akin to electricity.

It also seems probable that individual citizens collected old, exotic or commemorative coins as an affordable, portable form of art.

The problem was solved with the introduction of the atomic clock in the 1950s, which became commercially available in portable form by the 1960s.

The four volumes of Blackstone put the gist of that tradition in portable form.

Originally sold just to schools, the Emate idea will soon gain new life in a lightweight portable form far beyond the schoolroom.

Indeed, cosmetics companies are increasingly making a point of packaging products in portable forms so men can use them as they go.

The outdoor fireplace, long regarded as a California fixture, is catching on elsewhere, often in a portable form.

Netbooks could also be considered a portable form of a legacy-free PC.

Most people preferred simply to use the universal translator in one of its portable forms, and update its data when necessary.

IT is time to put the flowerpots, window boxes, tubs and other portable forms of gardening, more popular than ever, in order for the summer.