词根词缀：electro-, electr-, electri-

【来源及含义】Greek > Latin: electric, electricity; from amber, resembling amber, generated from amber which when rubbed vigorously [as by friction], produced the effect of static electricity

【相关描述】Equipment which we use everyday relies on electronics to function including calculators, car controls, cameras, washing machines, medical scanners, mobile telephones, radar systems, computers; as well as many other applications or devices which are listed in this unit.

【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "electricity": galvano-; hodo-; ion-; piezo-; -tron; volt; biomechatronics, info; mechatronics, info.

【同源单词】acoustoelectric effect, acoustoelectronics, active electrode, ambulatory electrocardiographic monitoring, amphoteric electrolyte, anelectrotonus

词根词缀：super-, supra-, sur-

【来源及含义】Latin: above, over, more than; excessive

【相关描述】Sur- is a form of super- formed through the French and shouldn't be confused with another assimilated sur- form that comes from sub- and means: "under, below, beneath".

In some words, super- is amplified to mean: "on top of; higher in rank or position than; superior to; greater in quality, amount, or degree than others of its kind; to a degree greater than others of its kind; to a degree greater than normal; extra, additional".

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: epi-; hyper-; ultra-, ult-. Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; poly-; total-; ultra-; undu-.

【同源单词】anterosuperior, archaeological survey, beta-gamma survey meter, costosuperior, cybersurfer, electromagnetic surveying