half a turn (.5x)USABusiness jargon for one half of 1% (0.50%). Typically used by bankers to describe an amount of money. For example, a dollar limitation may be set at "half a turn of EBITDA"; meaning 0.50% multiplied by the amount of EBITDA.
Practical Law Dictionary. Glossary of UK, US and international legal terms. www.practicallaw.com. 2010.