| 单词 | megalocardia | 
| 释义 | megalocardia in British English (ˌmɛɡələʊˈkɑːdɪə) noun  pathology  abnormal increase in the size of the heart   Also called: cardiomegalymegalocardia in American English (ˌmɛgəloʊˈkɑrdiə)  noun   abnormal enlargement of the heart Word origin ModL <  megalo- + Gr kardia,  heartmegalocardia in American English (ˌmeɡəlouˈkɑːrdiə) noun Pathology  hypertrophy of the heart  Word origin  [1850–55; megalo- + -cardia]This word is first recorded in the period 1850–55. Other words that entered Englishat around the same time include: clear-cut, muggins, overprint, runoff, segue-cardia is a combining form occurring in compounds that denote an anomalous or undesirableaction or position of the heart, as specified by the initial element. Other wordsthat use the affix -cardia include: dextrocardia, tachycardia | 
	
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