noun
or purves tube ˈpərvə̇s-
Usage: usually capitalized P
Etymology: after Purves, 19th century English engineer, its inventor
: a boiler flue with thickened transverse ribs or corrugations rather widely spaced
noun
or purves tube ˈpərvə̇s-
Usage: usually capitalized P
Etymology: after Purves, 19th century English engineer, its inventor
: a boiler flue with thickened transverse ribs or corrugations rather widely spaced
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012