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bottom heat. In DICTIOUS you will not only get to know all the dictionary meanings for the word
bottom heat, but we will also tell you about its etymology, its characteristics and you will know how to say
bottom heat in singular and plural. Everything you need to know about the word
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English
Noun
bottom heat (uncountable)
- (horticulture) Heat supplied from below to the roots or rooting medium of plants under propagation, usually in hothouses or greenhouses.