"base foundation" is correct and usable in written English.
You can use it to refer to an underlying structure that something is built on or to the fundamental principles of something. For example, "The base foundation of our company is our commitment to excellence."
"They're moments that seem insignificant now, but truly form the base foundation for the parent-child relationship.
Ecosystems relate importantly to human ecology as they are the ultimate base foundation of global economics as every commodity and the capacity for exchange ultimately stems from the ecosystems on Earth.
Chinmayananda translates the relevant passage as follows: ].[ Some devotees see similarities between the shape of Ganesha's body in iconography and the shape of Aum in the Devanāgarī and Tamil scripts. According to Kundalini yoga, Ganesha resides in the first chakra, called Muladhara. Mula means "original, main"; adhara means "base, foundation".
Apply liquid base foundation (optional).
For your highlighting product, you need foundation that's about two shades paler than your base foundation.
Concealer is a base foundation that can offset the color of a dark circle under your eye.
He has broken through the exalted facade of the system and exposed the real, base foundations of power.
He has broken through the exalted façade…and exposed the real, base foundations of power…He has shown everyone that it is possible to live within the truth.
Concrete gravity base foundations for offshore wind turbines also employ significant quantities of concrete and reinforcement.
As Vaclav Havel, former dissident and President of the Czech Republic said, those who shout the Emperor is naked, break "the exalted façade of the system" and expose its "real, base foundations of power".
So when mayoral support for cycling ground to a halt (according to a report from the Colombian based foundation Despacio, the last two mayors have neglected cycling almost entirely), something needed to be done.
