|səb+ adjective
Etymology: International Scientific Vocabulary sub- + crustal
: situated, acting, or occurring below a crust and especially the crust of the earth
|səb+ adjective
Etymology: International Scientific Vocabulary sub- + crustal
: situated, acting, or occurring below a crust and especially the crust of the earth
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012