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Vinony

tubal

adjective

  1. pertaining to tubes
L12698 on Wikidata ↗

Wiktionary

Pronunciation: /ˈtjuːbəl/ / /ˈtubəl/

adj

Etymology: Etymology tree Latin tuba Latin tubusder. Middle French tubeder. English tube Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English tubal From tube + -al.

  1. Of or pertaining to a tube, especially an anatomical one.

    “The tubal heating surface of the Raven design was considerably less than on the contemporary Gresley design, and the grate area was the same, although the firebox heating surface was less.”