infection
/ɪnˈfekʃən/noun
mass noun
1- the process of infecting or the state of being infected（受）感染; （受）传染; （受）侵染：
strict hygiene will limit the risk of infection.
严格的卫生能降低传染的危险。
1.1
- count noun an infectious disease传染病：
a chest infection.
胸部传染病。
1.2
- Computing the presence of a virus in, or its introduction into, a computer system【计算机】（计算机系统）病毒感染, 病毒传播。
词源
late Middle English: from late Latin infectio（n-）, from Latin inficere 'dip in, taint' （see INFECT）.