in·tro·duc·to·ry 
(ĭn′trə-dŭktə-rē)
(ĭn′trə-dŭktə-rē)adj.
Of, relating to, or constituting an introduction; initial or preparatory: introductory remarks by a speaker; an introductory psychology course. See Synonyms at preliminary.
in′tro·ducto·ri·ly adv.
- twinning
- Twins
- twin-screw
- twinset
- twin set
- twin-size
- twin-tip skis
- twirl
- twirler
- twirp
- twirp
- twist
- twistability
- twistable
- twist arm
- twist around little finger
- twist around one's little finger
- twist drill
- twister
- twistingly
- twist off
- twist (someone's) arm
- twist someone's arm
- twist tie
- twist/wrap around (one's) little finger