a copy of what the acoustic or original piano is

a modern electronic musical instrument that is intended to function as a standard piano,

a modern electronic musical instrument with a standard piano keyboard and piano voices, which are usually created by digital signal processing techniques, such as www

an instrument which does its best to duplicate the

an instrument which duplicates the sounds and feel of playing an acoustic (wood) piano

a step above a keyboard

An electronic piano that produces sounds to simulate a piano.

Electronic pianos that are designed to sound and feel as much like an Acoustic Piano as possible. The sounds always originate in some way from the recording af an acoustic piano, and are stored in electronic memory (wee Wave ROM below)

A digital piano is a modern electronic musical instrument designed to serve primarily as an alternative to a traditional piano, both in the way it feels to play and in the sound produced. Some digital pianos are also designed to look like an acoustic piano.