1 [U] [C] the process of introducing sb to a new job, skill, organization, etc; an event at which this takes place 向某人介绍新的工作、技术、组织等；入门；与此有关的活动: an induction day for new students 给新学生介绍情况的一天

2 [U] (technical术语) a method of discovering general rules and principles from particular facts and examples 归纳（法） ☞Compare deduction. 与deduction比较。

3 [U] (technical术语) the process by which electricity or MAGNETISM passes from one object to another without them touching （电磁）感应