tan heat
Heat generated by the fermentation of tan bark wasteHeat generated by the fermentation of tan bark waste; generally used in horticulture as a source of bottom heat for potted plants in greenhouses; the application of tan heat to greenhouse plants, mainly during the 18-19th century.
Meaning
2 senses(uncountable)Heat generated by the fermentation of tan bark waste; generally used in horticulture as a source of bottom heat for potted plants in greenhouses; the application of tan heat to greenhouse plants, mainly during the 18-19th century.
(uncountable)A bed of tan bark waste used as a source of mild bottom heat for potted plants in greenhouses or hothouses.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable