usance has definitions from the field of economics
1
[ noun ] (commerce) the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)

Related terms

time_period commerce

2
[ noun ] accepted or habitual practice

Synonyms

custom usage

3
[ noun ] (economics) the utilization of economic goods to satisfy needs or in manufacturing

Examples

"the consumption of energy has increased steadily"

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