IPA: /ɪˈlɛktrəˌlɛs/
KK: /ɪˈlɛktrəˌlɛs/
Describing a process that does not require an external electric current to deposit metal, often used in chemical applications.
The electroless plating method is often used to coat surfaces with metal without needing electricity.
Electroless → It is formed from "electro-" (from Greek "ēlektron", meaning amber or electricity) and "-less" (meaning without). The word "electroless" refers to a process that does not involve electricity.
Think of 'electricity' ('electro-') and remember that 'electroless' means without electricity.