heterogeneity
C2CEFR level
80/100Rarity: very rare
TechnicalRegister
The quality of being made up of markedly different or varied elements.
The heterogeneity of the customer base made a single, one-size-fits-all pricing tier impractical.
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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