noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A form of draft tube used with a hydroturbine, having a bell-mouth shape and a flat plate deflector near the mouth.

Etymology

Blend of hydraulic + cone? Coined by William M. White, who obtained a U.S. patent for it in 1917.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.