allergen

n. 变(态反)应原 [化] 过敏素; 变应原

发音

其它 /ˈælə(ɹ)ˌd͡ʒɛn/

词形变化

allergens 复数 allergens

释义与例句

n.
  1. 1.

    A substance which causes an allergic reaction.

    变应原

    过敏原

    医学

    Pollen, dust, and spores are common allergens.

词汇关系

名词

上位词 1

substance

词源

Syncopated compound of allergy + -gen, coined on the model of pharmaceutical words such as pathogen and antigen.

来源：wiktionary