escalation clause
C1CEFR level
60/100Rarity: rare
TechnicalRegister
A term permitting the contract price to rise in line with specified costs or an index.
An escalation clause tied the annual fee to the retail prices index.
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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