词根词缀：platy-, plat-, platino-, platt-

【来源及含义】Greek: broad, wide; flat, level

【同源单词】absorber plate, amalgamation table, electroless plating, electroplate, electroplating, electroplaxes

词根词缀：-tude

【来源及含义】Latin: a suffix; state, quality, condition of

【同源单词】acritude, altitude, altitude, amplitude, amplitude modulation, aptitude