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Definition of Rock drill
1. Noun. A drill for penetrating rock.
Specialized synonyms: Cross Bit, Star Drill, Straight Flute, Straight-fluted Drill
Generic synonyms: Drill
Derivative terms: Bore
Lexicographical Neighbors of Rock Drill
Literary usage of Rock drill
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"rock drillS AND rock drill- ING. The steam or rock drill is known to-day as an
American invention and its inception dates back to the excavation of the ..."
2. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"The steam or rock drill is known to-day as an American invention and its inception
dates back to the excavation of the Hoosac Tunnel in Massachusetts. ..."
3. Journal by Iron and Steel Institute (1892)
"Electric rock drill.—A new form of percussive rock drill, operated by an electric
motor, has been brought out by Messrs. Roper and Tozer. ..."
4. Transactions of the American Institute of Mining, Metallurgical and (1922)
"Breakage and Heat Treatment of Rock-drill Steel BY BENJAMIN F. TILLSON,* EM,
FRANKLIN, NJ (New York Meeting, February. 1921) To MOST mine operators, ..."
5. Appletons' Cyclopædia of Applied Mechanics: A Dictionary of Mechanical by Appleton, firm, publishers, New York (1880)
"Too high a piston speed is undesirable in a rock-drill mainly for two reasons :
First, ... External gear in a rock-drill is especially to be avoided. ..."
6. The Americana: A Universal Reference Library, Comprising the Arts and ...by Frederick Converse Beach, George Edwin Rines by Frederick Converse Beach, George Edwin Rines (1912)
"The steam or rock drill is known to-day as an American invention and its inception
dates back to the excavation of the Hoosac Tunnel in Massachusetts. ..."
Other Resources:
