← Back to invasion
Full Level B1 →
invasion Etymology Atlas
(pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body, any entry into an area not previously occupied Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
invasion is a Level B1 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.