Definition of "frost-free" [frost•-free]

• Requiring little or no defrosting: a frost-free refrigerator. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Two fans, energy-saving light bulbs, two laptops in almost constant use, and a frost-free refrigerator."
• "The pumpkins themselves need 90 to 120 frost-free days to mature, though frost does not affect them once they have matured."
• "Lift dahlias after the first frost has blackened the foliage, and store in a cool, frost-free place."