- amplitude - (physics) the maximum displacement of a periodic wave
--1 is a kind of shift, displacement
- amplitude, bountifulness, bounty - the property of copious abundance
--2 is a kind of abundance, copiousness, teemingness
- amplitude - greatness of magnitude
--3 is a kind of magnitude
--3 has particulars: signal level; noise level, background level - amplitude, bountifulness, bounty - the property of copious abundance