oscilloscope, scope, cathode-ray oscilloscope, CRO
['hand blower, blow dryer, blow drier, hair dryer, hair drier', 'spotlight, spot', 'cellular telephone, cellular phone, cellphone, cell, mobile phone', 'solar dish, solar collector, solar furnace', 'refrigerator, icebox', 'hard disc, hard disk, fixed disk', 'hourglass']