opening

Từ điển American Heritage Dictionary 4th

o·pen·ing (ōʹpə-nĭng)n.
1. The act or an instance of becoming open or being made to open.
2. An open space serving as a passage or gap.
3. A breach or aperture.
4. A clearing in the woods.
5. The first part or stage, as of a book.
6. The first performance:
the opening of a play.
7. A formal commencement of operation:
attended the opening of the new museum.
8. Games. A specific pattern or series of beginning moves in certain games, especially chess.
9. An opportunity affording a chance of success. See Synonyms at opportunity.
10. An unfilled job or position; a vacancy.

• Từ đồng nghĩa / Synonyms:
  first step, initiative, opening move, chess opening, hatchway, scuttle, orifice, porta, possibility, possible action, opening night, curtain raising, gap
• Từ trái nghĩa / Antonyms:
  closing, shutting