v. （心脏）悸动，急速跳动；发抖；抖动；使发抖（palpitate 的现在分词）

[ adj ]
having a slight and rapid trembling motion
<adj.all>
palpitant movements rather than violent eruptionsmy palpitating heart

Palpitate \Pal"pi*tate\, v. i. [imp. & p. p. {Palpitated}; p.
pr. & vb. n. {Palpitating}.] [L. palpitare, palpitatum, v.
intens. fr. pappare. See {Palpable}.]
To beat rapidly and more strongly than usual; to throb; to
bound with emotion or exertion; to pulsate violently; to
flutter; -- said specifically of the heart when its action is
abnormal, as from excitement.

palpitating \palpitating\ adj.
Beating irregularly; -- of the heart.

Syn: palpitant.
[WordNet 1.5]