monolithic
Concise Oxford English Dictionary © 2008 Oxford University Press:
monolithic/mɒnəˈlɪθɪk/
▶adjective
- 1 formed of a single large block of stone.
- 2 very large and uniform or indivisible.
- 3 Electronics (of a solid-state circuit) composed of active and passive components formed in a single chip.
'monolithic' also found in these Oxford entries:

