accretion
C2CEFR level
80/100Rarity: very rare
TechnicalRegister
Law noun
The gradual, natural addition of land by deposits of soil along a shore or bank.
Decades of accretion had quietly pushed the farm's boundary out into the estuary.
Business noun
The gradual increase of a bond's book value toward par, or growth in value over time.
The discount bond was bought below face, and the accretion is booked as income each period until maturity.
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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