introduces

verb

1. 1

   (of people) To cause (someone) to be acquainted (with someone else).

   “Let me introduce you to my friends.”

2. 2

   To make (something or someone) known by formal announcement or recommendation.

   “Let me introduce our guest speaker.”

3. 3

   To add (something) to a system, a mixture, or a container.

   “Various pollutants were introduced into the atmosphere.”

4. 4

   To bring (something) into practice.

   “Wheeled transport was introduced long ago.”