The Continental Shelf is the gently sloping undersea plain between a continent and the deep ocean. The continental shelf is an extension of the continent's landmass under the ocean.Much of the continental shelf was exposed dry land during glacial periods.During interglacial periods, like today, the shelf is submerged under relatively shallow waters.he continental shelf is an extension of the continent's landmass under the ocean. Much of the continental shelf was exposed dry land during glacial periods. During interglacial periods, like today, the shelf is submerged under relatively shallow waters.
Freebase(0.00 / 0 votes)Rate this definition: Prima facie. Prima facie is a Latin expression meaning on its first encounter, first blush, or at first sight. The literal translation would be at first face or at first appearance, from the feminine form of primus and facies, both in the ablative case.
Definition of PICEA. : a genus of temperate and arctic evergreen trees (family Pinaceae) having acicular leaves that are keeled on both surfaces and borne individually on persistent peg-shaped bases and cones that become pendulous and have reflexed scales â see spruce.ew Latin, from Latin, pitch pine, from pic-, pix pitch. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis. Note that some information is displayed differently in the Unabridged.