Definition of allochemical in English:

allochemical

adjective

Geology
  • 1Of a metamorphic process: involving a change in the bulk chemical composition of a rock, through the introduction or removal of material.

  • 2Of the nature of an allochem; containing allochems.

Origin

1940s; earliest use found in Francis John Turner (1904–1985). From allo- + chemical.

Pronunciation

allochemical

/ˌaləˈkɛmɪkl/