IPA: //ˌmaɪkroʊˈfaɪbrɪlər//
KK: /maɪkroʊˈfaɪbrɪlər/
Relating to very small fibers that are part of a larger structure, often found in biological materials.
The microfibrillar structure of the plant cell wall provides strength and support.
Microfibrillar → It is formed from "micro-" (from Greek "mikros", meaning small) and "fibrilla" (from Latin "fibrilla", meaning a small fiber) and the suffix "-ar" (meaning pertaining to). The word "microfibrillar" refers to something that is related to or composed of small fibers.
Think of 'small' ('micro-') fibers ('fibrilla') to remember that 'microfibrillar' describes something made up of tiny fibers.
No commonly confused words.