decrement

US /ˈdek.rə.mənt/
UK /ˈdek.rə.mənt/
"decrement" picture
1.

a reduction or decrease in number or quantity

:
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The system showed a decrement in available memory.
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Each step in the process results in a slight decrement of energy.
:
incrementincrease
1.

to decrease (a variable or quantity) by a specific amount, often by one

:
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You need to decrement the counter by one after each successful operation.
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The program will automatically decrement the stock quantity when an item is sold.
:
incrementincrease