SM - a master's degree in science Master of Science, MSc, MS master's degree - an academic degree higher than a bachelor's degree but lower than a doctor's degree
DEFINITION of 'Per Diem Payments'. Generally, a specified amount that employers will pay to employees as reimbursement for various expenses. Per diem payments usually assume a set dollar limit, such as $30 per day for meals or $100 per day for lodging. These payments are usually made for employee travel expenses.er diem payments are usually counted as nontaxable income to employees, up to a certain amount, and any excess reimbursement is included in box 12 of the W-2 form. The IRS allows a preset amount to be excluded from taxation for each type of per diem expense. RELATED TERMS.
per diem Definition from Noloâs Plain-English Law Dictionary (per dee-um) Latin for per day, per diem refers to payment of a set amount for each day's expenses for an employee or agent. Typically, a per diem is available only for travel away from home. For example, someone who goes on an overnight business trip for an employer might receive a per diem of $50 to cover meals and incidentals on the trip.