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Bessemer converter Bessemer converter /ˈbɛsəmər kənˈvɜːrtər/

noun

A refractory-lined furnace used to convert pig iron into steel by the Bessemer process ( Bessemer converter )
a refractory-lined furnace used to convert pig iron into steel by the Bessemer process
The Bessemer converter revolutionized steel production in the 19th century.
The Bessemer converter revolutionized steel production in the 19th century.

radioscopy radioscopy /reɪdiˈɑskəpi/

noun

(radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation ( radiology , radioscopy , roentgenology [Archaic] )
(radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation
I need to get an X-ray done and will be visiting the radiology department for that
I need to get an X-ray done and will be visiting the radiology department for that

theodolite theodolite /θiːˈɒdəlaɪt/

noun

A surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod ( theodolite , transit )
a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
The surveyor set up his transit to measure the angles for the new building project.
The surveyor set up his transit to measure the angles for the new building project.

looper looper /ˈluːpɝ/

noun

Small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae ( inchworm , looper , measuring worm )
small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae

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