Main entry: expense
Definition: a detriment or sacrifice
Usage: at the expense of
Main entry: expense, disbursal, disbursement
Definition: amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures)
Main entry: expense
Definition: money spent to perform work and usually reimbursed by an employer
Usage: he kept a careful record of his expenses at the meeting
Main entry: write down, write off, expense
Definition: reduce the estimated value of something
Usage: For tax purposes you can write off the laser printer