di.cro.tism

n.（名詞）
A condition in which the pulse is felt as two beats per single heartbeat.
重脈搏，二脈波：心臟每跳動一次時(shí)脈搏發(fā)生兩次搏動的情況

來源：
From Greek dikrotos [double-beating]
源自 希臘語 dikrotos [雙搏動]
di- [two] * see di-
di- [二] *參見 di-
krotos [rattling noise]
krotos [發(fā)略格格聲的噪音]

【引伸】
dicrot.ic