epigene

a. [地]外成的, 表成的

释义与例句

adj.
  1. 1.

    Of or pertaining to the region just below the surface of the earth.

    化学 地质
  2. 2.

    Foreign; unusual; not natural to the substance in which it was found.

    化学

词源

From epi- + -gene.

来源：wiktionary