A plane parallel to the surface of a tooth.
A flight feather that appears between the primaries and secondaries on some birds.
Belonging to the axis of the body, or to the axis of any appendage or organ
Relating to, resembling, or situated on an axis
In the same direction as the axis, parallel to the axis.
oriented close to the axis running through the centre of a cyclohexane ring, as opposed to equatorial. See w:Axial bond.
A gap permitting passage through.
The first few measures of a musical composition.
The first performance of a show or play by a particular troupe.
The initial period when a show at an art gallery or museum is first opened, especially the first evening.
A vacant position, especially in an array.
An unoccupied employment position.
In mathematical morphology, the dilation of the erosion of a set.
An act or instance of making or becoming open.
A time available in a schedule.
An opportunity, as in a competitive activity.
An act or instance of beginning.
The first few moves in a game.
Pertaining to the start or beginning of a series of events.
describing the first period of play, usually up to the fall of the first wicket; describing a batsman who opens the innings or a bowler who opens the attack