bi·o·lith 
(bīə-lĭth′)
(bīə-lĭth′)n.
A rock formed from the remains of or physiologic action of organisms.
bi′o·lithic adj.
- intercommunication
- intercommunicative
- intercommunion
- interconnect
- interconnectable
- interconnectedness
- interconnectible
- interconnection
- intercontinental
- interconversion
- interconvert
- interconvertibility
- interconvertible
- intercool
- intercooler
- intercostal
- intercourse
- intercrop
- intercultural
- intercurrent
- intercut
- interdenominational
- interdental
- interdentally
- interdepartmental