Definition of "commercial-grade" []

• Of the kind or quality used in commerce; average or inferior (adjective)

WordNet. Princeton University. 2010.

• "One day I was sitting in a meeting with the principal and assistant principal at my daughter's school, talking about building a garden there, when someone mentioned that the newly renovated school building had a commercial-grade kitchen where meals were being "fresh-cooked.""
• "They also installed a commercial-grade refrigerator in the apartment to keep the highly unstable bomb ingredients cold."
• "Sealed Air's stock priced dropped 15% last week after the company announced the planned purchase of Diversey, which makes commercial-grade disinfectants and cleaning products."