a change of position that does not entail a change of location | a recognized sequence of moves at the beginning of a game of chess |
the act of changing the location of something | the act of opening something |
a series of actions advancing a principle or tending toward a particular end | becoming open or being made open |
the act of changing location from one place to another | the first of a series of actions |
the driving and regulating parts of a mechanism (as of a watch or clock) | a vacant or unobstructed space that is man-made |
a general tendency to change (as of opinion) | an entrance equipped with a hatch; especially a passageway between decks of a ship |
a major self-contained part of a symphony or sonata | an aperture or hole that opens into a bodily cavity |
a natural event that involves a change in the position or location of something | a possible alternative |
a group of people with a common ideology who try together to achieve certain general goals | the initial part of the introduction |
an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object | the first performance (as of a theatrical production) |
a euphemism for defecation | a ceremony accompanying the start of some enterprise |
| an open or empty space in or between things |
| opportunity especially for employment or promotion |