| 释义 | 
		Definition of rechallenge in English: rechallengenoun rɪˈtʃalɪn(d)ʒ 1A challenge made in return; a second or repeated challenge. 2Immunology and Medicine. The action of rechallenge; an instance of this. 
 verb rɪˈtʃalɪn(d)ʒ 1with object To challenge again. 2with object Immunology and Medicine. To treat (a patient or animal) again with a particular infectious agent, antigen, or drug, in order to test for immunity, hypersensitivity, or other type of (often adverse) reaction. 
 Origin   Early 18th century; earliest use found in Francis Bugg (1640–1727), Quaker apostate. From re- + challenge early 18th century. From re- + challenge. Compare rechallenge.    Definition of rechallenge in US English: rechallengenounrɪˈtʃalɪn(d)ʒ 1A challenge made in return; a second or repeated challenge. 2Immunology and Medicine. The action of rechallenge; an instance of this. 
 verbrɪˈtʃalɪn(d)ʒ 1with object To challenge again. 2with object Immunology and Medicine. To treat (a patient or animal) again with a particular infectious agent, antigen, or drug, in order to test for immunity, hypersensitivity, or other type of (often adverse) reaction. 
 Origin   Early 18th century; earliest use found in Francis Bugg (1640–1727), Quaker apostate. From re- + challenge<br>early 18th century. From re- + challenge. Compare rechallenge.     |