geochemistry
Concise Oxford English Dictionary © 2008 Oxford University Press:
geochemistry/ʤiːəʊˈkɛmɪstri/
▶noun the study of the chemical composition of the earth and its rocks and minerals.
– derivatives
geochemical adjective,
geochemist noun.
geochemical adjective,
geochemist noun.
'geochemistry' also found in these Oxford entries:

