A monolithic kernel is an operating system architecture with the entire operating system running in kernel space.

Single structure, multiple electronic components.

In software engineering, a monolithic application is a single unified software application that is self-contained and independent from other applications, but typically lacks flexibility.

Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in Kirkland, Washington.

Monolithic microwave integrated circuit, or MMIC (sometimes pronounced "mimic"), is a type of integrated circuit device that operates at microwave frequencies (300 MHz to 300 GHz).