[mass noun]the communication of disease from one person to another by close contact (疾病的)接触传染,触染 the rooms held no risk of contagion. 这些房间没有接触传染的危险。 ■[count noun](dated)a disease spread in such a way (旧)接触传染病,触染病 ■(figurative)the spreading of a harmful idea or theory (喻)(有害观念或理论的)传播,散布,蔓延 the contagion of disgrace. 不光彩的事的散播。
语源
late Middle English (denoting a contagious disease): from Latin contagio(n-), from con- 'together with' + the base of tangere 'to touch'