convergence
B1CEFR level
35/100Rarity: fairly common
TechnicalRegister
Medicine noun
The inward turning of both eyes to keep a near object single and in focus.
Poor convergence can make the words seem to swim together during prolonged reading.
Business noun
The tendency of poorer economies to catch up with richer ones over time.
Membership promised income convergence, but the poorer regions lagged for a generation.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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