# FII

> English word · Noun · frequency rank #87,285

## Definitions
1. Abbreviation of factor II (“= clotting factor II = prothrombin”).
2. Initialism of foreign indirect investment, broadly synonymous with foreign portfolio investment.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fii