puffback

nounB1

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

puffbacks

1.
Any bird of the genus Dryoscopus.
2.
The (unintended) emission of soot or smoke from a furnace or boiler into a structure, typically caused by a burner failing to ignite properly, allowing a buildup of fumes which explode and expel soot or smoke into the structure.

Nguồn gốc từ

From puff + back.