noun
: a rock in which petroleum has originated
oil passes from the source rock … into the more open spaces of a reservoir rock, where it can accumulate — W.G.Fearnsides & O.M.B.Bulman
noun
: a rock in which petroleum has originated
oil passes from the source rock … into the more open spaces of a reservoir rock, where it can accumulate — W.G.Fearnsides & O.M.B.Bulman
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012