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cold frame

Syllabification: cold frame

Definition of cold frame in English:

noun

A four-sided frame of boards with a removable glass or plastic top. The frame is placed on the ground and is used to house, protect, and harden off seedlings and small plants, without artificial heat.
Example sentences
  • Sow seeds of herbaceous perennials and alpine plants in a cold frame or unheated greenhouse.
  • Bulbs forced inside or grown in cold frames in portable containers can easily be placed into large, outdoor containers at flowering time.
  • According to our thermometers, this combination was not as protective as cold frames covered with glass, but the plants didn't seem to notice.

Definition of cold frame in:

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