Automatics refer to machine-controlled operations or actions. There are several synonyms for this word, including automated, mechanized, self-acting, self-operating, and self-regulating. These terms refer to machines and systems that do not require human intervention to function properly. You may also use the term autonomous to describe automatic machines that can operate independently. These synonyms are frequently used interchangeably, but each term highlights slightly different nuances. Automated implies that the machine is controlled by programmed instructions, whereas mechanized suggests that it relies on mechanical parts to function. Meanwhile, self-acting emphasizes the machine's ability to perform without human assistance, while self-regulating suggests that it adjusts its performance automatically according to specific parameters.