← Back to search

Meaning of upcall | Babel Free

Noun CEFR B1

Definitions

A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code.

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

upcard upcasing Upcast Upcaught upcharge Upcheer