the world > space > place > placing or fact of being placed in (a) position > insertion or putting in > [noun] > into a surrounding mass > that which is (2)
Geology, Metallurgy, etc. A solid fragment, globule of liquid, or gas bubble enclosed within a mineral, rock, etc.; a discrete body or particle…
Something inserted. An object of one material around which another material (as concrete, plastic, or metal) sets or solidifies, or which is forced…