noun🔗ShareA surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve."The pencil holder was a cylinder, its smooth surface created by rotating a circle around its central axis. "mathsciencefigurestructureChat with AIVocabulary GamePractice Reading
noun🔗ShareA solid figure bounded by a cylinder and two parallel planes intersecting the cylinder."The pencil holder was in the shape of a cylinder. "mathfigurestructureChat with AIVocabulary GamePractice Reading
noun🔗ShareAny object in the form of a circular cylinder."The chef used a rolling pin in the shape of a cylinder to flatten the dough. "materialtypestructureitemChat with AIVocabulary GamePractice Reading
noun🔗ShareA cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine."The engine's cylinder compressed the air, pushing the piston down. "machineparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareThe space in which a piston travels inside a reciprocating engine or pump."The mechanic checked the cylinder of the old engine to see if it was worn. "machinetechnicalpartChat with AIVocabulary GamePractice Reading
noun🔗ShareA container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder."My dad brought home a large cylinder of propane gas for the barbecue. "materialitemutilitytechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareAn early form of phonograph recording, made on a wax cylinder."My grandfather's antique music collection included a few wax cylinders. "technologysoundmediahistoryentertainmentChat with AIVocabulary GamePractice Reading
noun🔗ShareThe part of a revolver that contains chambers for the cartridges."The gunsmith carefully inspected the cylinder of the revolver, checking that all the chambers were empty. "partweaponChat with AIVocabulary GamePractice Reading
noun🔗ShareThe corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity."The hard drive's cylinder holds 10 megabytes of data. "computingtechnologyelectronicsmachineChat with AIVocabulary GamePractice Reading
verb🔗ShareTo calender; to press (paper, etc.) between rollers to make it glossy."The printer operator cylindered the paper to make it smooth and shiny for the school project posters. "materialprocessindustryChat with AIVocabulary GamePractice Reading
