Instruction set architecture.
"The computer processor was designed around an efficient RISC isa to maximize performance per watt."
In plain English: In computer programming, an isa relationship means that one thing is specifically a type of another more general category.
"He decided to become an isa after years of studying marine biology."
A diminutive of the female given name Isabel or of its variant forms, sometimes also used as a formal given name.
"His father named their son Isa after the biblical prophet known as Jesus in Islamic tradition."
A male given name from Arabic mainly used by Muslims.
The name Isa is a shortened form of the feminine names Isabel, Isabella, and Isabelle. It entered English usage as an affectionate nickname before becoming an independent given name on its own.