noun, noun which may take the genitive case particle 'no'
micro-mini; very short (clothing); very small
Colloquial term, often used for extremely short skirts or shorts; can also describe anything very small in size.
She was wearing a micro-mini skirt.
This smartphone is ultra-compact and easy to carry.
Combination of the prefix 超 (ultra) and ミニ (mini), a loanword from English. The exact origin is uncertain, but it likely emerged in colloquial Japanese to describe extremely short clothing or very small items.