experimental extinction
- n a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
experimental method
- n the use of controlled observations and measurements to test hypotheses
experimental procedure
- n the specific techniques used in conducting a particular experiment
expending
- n the act of spending money for goods or services
- v use up, consume fully
- v pay out
expenditure
- n money paid out; an amount spent
- n the act of spending money for goods or services
- n the act of consuming something
expense
- n amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures)
- n a detriment or sacrifice
at the expense of - n money spent to perform work and usually reimbursed by an employer
he kept a careful record of his expenses at the meeting - v reduce the estimated value of something
expense account
- n an account to which salespersons or executives can charge travel and entertainment expenses