Definition of multi-coating in English:

multi-coating

Pronunciation /ˈmʌltɪkəʊtɪŋ/

noun

  • Each of two or more coatings placed one over another, usually in order to reduce reflection from the coated surface.

Origin

1970s; earliest use found in Science. From multi- + coating, after multi-coat, multi-coated. Compare slightly later multicoat.