conical trommel

Игры ⚽ Поможем написать реферат

trommel — /trom euhl/, n. a rotary, cylindrical or conical screen for sorting ore, coal, gravel, etc., according to size. [1875 80, Amer.; < G Trommel drum] * * * … Universalium
trommel — trom•mel [[t]ˈtrɒm əl[/t]] n. min a rotary, cylindrical or conical screen for sorting ore, coal, gravel, etc • Etymology: 1875–80, amer.; < G Trommel drum … From formal English to slang
trommel — /ˈtrɒməl/ (say tromuhl) noun a revolving cylindrical or conical sieve, used for grading rock and ore according to size. {German Trommel drum} …
trommel — noun Etymology: German, drum, from Middle High German trummel, diminutive of trumme drum more at drum Date: circa 1877 a usually cylindrical or conical revolving screen used especially for screening or sizing rock, ore, or coal … New Collegiate Dictionary

Словари и энциклопедии на Академике