Introduce vs Introduced - What's the difference?

As verbs the difference between introduce and introduced

is that introduce is (of people) to cause (someone) to be acquainted (with someone else) while introduced is (introduce).

(biology) not native to a location; brought from another place.

(introduc)

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

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

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

To bring (something) into practice.

* {{quote-magazine, date=2013-10-05, volume=409, issue=8856, magazine=(The Economist)

, title= The widening gyre , passage=First introduced in Letchworth Garden City in 1909, the roundabout

(-)

(biology) Not native to a location; brought from another place.

The prickly pear cactus is an introduced species in Australia.

(head)

(introduce)