To lead or bring in; to conduct or usher in; as, to introduce a person into a drawing-room.
To bring into notice, practice, cultivation, or use; as, to introduce a new fashion, method, or plant.
bring something new to an environment; "A new word processor was introduced"
bring in a new person or object into a familiar environment; "He brought in a new judge"; "The new secretary introduced a nasty rumor"
bring in or establish in a new place or environment; "introduce a rule"; "introduce exotic fruits"
bring before the public for the first time, as of an actor, song, etc.
be a precursor of; "The fall of the Berlin Wall ushered in the post-Cold War period"
When a new organism is brought to an environment where it did not live before. Introduced species can cause great problems for native species and for people.
To bring a species, either inadvertantly or intentionally, from another area into a new area where it has not existed previously. Introduced species are the opposite of native species.