* o·cean en·er·gy
(ō-shen en-er-ji) n., pl. –gies.
1. energy derived in any manner from the vast body of salt water covering approximately 73 percent of the earth’s surface. 2. any persistently renewable source of energy or power (electrical, etc.) derived from the sea, including power from the harnessing of ocean currents, Biomass energy, ocean solar power, wave power, off-shore wind power, ocean geothermal, etc. 3. a science and a technology in process of development; includes a full range of ocean-based renewable energy alternatives, many of which remain to be conceived and explored.