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infect

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Merriam-Webster's Collegiate Dictionaryin·fect \in-ˈfekt\ transitive verb ETYMOLOGY Middle English, from Latin infectus, past participle of inficere, from in- + facere to make, do — more at do DATE 14th century1. to contaminate with a disease-producing substance or agent (as bacteria)2. a. to communicate a pathogen or a disease to b. of a pathogenic organism : to invade (an individual or organ) usually by penetration c. of a computer virus : to become transmitted and copied to (as a computer)3. a. contaminate, corrupt the inflated writing that infects such stories b. to work upon or seize upon so as to induce sympathy, belief, or support trying to infect their salespeople with their enthusiasm• in·fec·tor \-ˈfek-tər\ nounEnglish Etymologyinfect late 14c., from L. infectus, pp. of inficere "to spoil, stain," lit. "to put in," from in- "in" + facere "perform" (see factitious). Infection is 1548 in sense of "communication of disease by agency of air or water" (distinguished from contagion, which is body-to-body communication). Infectious "catching, having the quality of spreading from person to person" is 1542 of diseases, 1611 of emotions, actions, etc.Oxford Advanced Learner's Dictionary-牛津双解-OALD7☞ infectin·fect / in5fekt / verb[VN] ~ sb / sth (with sth) 1. to make a disease or an illness spread to a person, an animal or a plant 传染；使感染: It is not possible to infect another person through kissing. 接吻不可能把这种病传染给他人。 people infected with HIV 染上艾滋病病毒的人 2. [usually passive] to make a substance contain harmful bacteria that can spread disease 使携带病菌 SYN contaminate : eggs infected with salmonella 带沙门氏菌的鸡蛋 3. to make a computer virus spread to another computer or program 传染,使感染(计算机病毒)4. to make sb share a particular feeling 使感染(某种感情)；影响: She infected the children with her enthusiasm for music. 她对音乐的热爱感染了孩子们。 Webster's Third New International Dictionary, UnabridgedinfectI. infect adjectiveEtymology: Middle English, from Middle French or Latin; Middle French, from Latin infectus, past participle of inficerearchaic : infectedII. in·fect \ə̇nˈfekt\ verb(-ed/-ing/-s)Etymology: Middle English infecten, from Latin infectus, past participle of inficere to stain, dye, taint, infect, from in- in- (II) + -ficere (from facere to do, make) — more at dotransitive verb1. : to taint with decaying matter : contaminate with a disease-producing substance, germs, or bacteria < infect a lancet >2. a. : to communicate a pathogen or a disease to an individual or organ) < clouds of mosquitoes infected the unprotected troops with malaria parasites > b. of a pathogenic organism : to invade (an individual or organ) usually by penetration — often used only of the actual penetration of the pathogen as distinguished from its subsequent growth in the host < the polio virus probably usually infects man through the nasal mucous membrane > — compare infection 23. : to communicate or affect as if by some subtle contact: as a. : to taint by communication of something noxious or pernicious < he is deeply upset and manages to infect her with a sense of guilt — London Calling > < intellectuals … become agents of discontent who infect rich and poor, high and low — Irving Howe > b. : to work upon or seize upon so as to induce sympathy, belief, or support < infected everyone with his zeal for nature — Van Wyck Brooks > < an exuberance that tends to infect the whole enterprise — E.J.Kahn >4. obsolete : dye, stain5. : infest < fish infected with parasites > < condemned liver infected with flukes >6. : to subject (as whole cargo of an owner) to forfeiture because a part is contraband7. : to induce a change in quality in (the sound of a neighboring syllable)intransitive verb: to become infected < didn't pay any attention to it because I never infect — Ernest Hemingway >III. infect transitive verbof a computer virus : to become transmitted and copied to (as a computer)

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