Definitions
from The Century Dictionary.
- Having no valve.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Having no
valves .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
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Examples
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Research has shown the "valveless" design alone could reduce fuel consumption by 40 percent, said Professor Monika Ivantysynova of Purdue's School of Mechanical Engineering.
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Research has shown the "valveless" design alone could reduce fuel consumption by 40 percent.
Latest Articles 2008
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The outstanding soloist in the concerto was 26-year-old Alec Frank-Gemmill, playing a valveless instrument, as were the obbligato horn section, conjuring misty overtones and harmonics, mellow in mood as well as raw.
LPO/Jurowski; Betrothal in a Monastery; Psappha ensemble; SCO/Ticciati – review 2012
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"Period instrument" does not necessarily equal valveless horn, though, as a visit to the New Queen's website will show.
Allan, Allan, Allan Lisa Hirsch 2007
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Meanwhile, the British, ever improving their invention, finally came up with the revolutionary design: George Jennings patented a valveless water closet in 1852, forever getting rid of the annoying valve—what had euphemistically become known as a “dirt trap.”
Flushed W. Hodding Carter 2006
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Sometimes it was the valve closet, sometimes the improved hopper, other times the valveless closet.
Flushed W. Hodding Carter 2006
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Meanwhile, the British, ever improving their invention, finally came up with the revolutionary design: George Jennings patented a valveless water closet in 1852, forever getting rid of the annoying valve—what had euphemistically become known as a “dirt trap.”
Flushed W. Hodding Carter 2006
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Sometimes it was the valve closet, sometimes the improved hopper, other times the valveless closet.
Flushed W. Hodding Carter 2006
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The lubricating oil pump is of the valveless two-plunger type, so geared that it runs at seven revolutions to 100 revolutions of the engine; by counting the pulsations the speed of the engine can be quickly calculated by multiplying the pulsations by 100 and dividing by seven.
A History of Aeronautics Evelyn Charles Vivian 1914
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The very desirable feature of being entirely valveless was accomplished with this engine, which is also noteworthy for exceedingly compact design.
A History of Aeronautics Evelyn Charles Vivian 1914
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