infectious

B2 CET-4 大学 FREQ #15631 ★☆☆☆☆

a. 有传染性的, 易传染的 [医] 传染性的

发音

US /ɪnˈfɛk.ʃəs/
CA
UK /ɪnˈfɛk.ʃəs/

词形变化

more infectious 比较级 most infectious 最高级

别名

infectuous

教材释义与例句

形容词

传染的；传染性的；易传染的

释义与例句

adj. B2
  1. 1.

    Caused by an agent that enters the host's body (such as a bacterium, virus, parasite, or prion); often, also, transmitted among hosts via any of various routes (for example, contact, droplet-borne, airborne, waterborne, foodborne, fomite-borne, or bloodborne).

    医学

    Cancer is usually not infectious.

    More infectious diseases like the flu are usually less potent.

  2. 2.

    Able to infect others; capable of transmitting pathogens.

    医学

    Despite feeling better, the patient is still infectious.

  3. 3.

    Spreading quickly from one person to another.

    infectious smile

    Her enthusiasm for work can be really infectious.

  4. 4.

    Memorable and invoking excitement or interest.

    非正式

    Pop music is more infectious than elevator music.

词汇关系

形容词

同义词 1

infective

反义词 1

noninfectious

近义相关 8

catching infected contagious septic communicable contractable transmissible transmittable

相关短语

infectious bovine rhinotracheitis infectious disease [医] 传染病 infectious diseases infectious disease specialist 传染病专家 infectious mononucleosis [医] 传染性单核细胞增多[症] infectious disease specialists infectious abortion [医] 传染性流产(动物) infectious abortions infectious agent [医]传染原，传染物，传染剂，传染因子，传染性病原体，病原体 infectious agents bovine infectious petechial fever feline infectious peritonitis

词源

Borrowed from New Latin īnfectiōsus. By surface analysis, infect + -ious.

来源：wiktionary