Any flight feather attached to the manus (hand) of a bird.
A directly driven inductive coil, as in a transformer or induction motor that is magnetically coupled to a secondary
A primary school.
A primary election; a preliminary election to select a political candidate of a political party.
A radar return from an aircraft (or other object) produced solely by the reflection of the radar beam from the aircraft's skin, without additional information from the aircraft's transponder.
A base or fundamental component; something that is irreducible.
The most massive component of a gravitationally bound system, such as a planet in relation to its satellites.
The first year of grade school.
A primary colour.
Primary site of disease; original location or source of the disease.
The first stage of a thermonuclear weapon, which sets off a fission explosion to help trigger a fusion reaction in the weapon's secondary stage.
Earliest formed; fundamental.
first or earliest in a group or series.
main; principal; chief; placed ahead of others.
Relating to day-to-day care provided by health professionals such as nurses, general practitioners, dentists etc.
Relating to the place where a disorder or disease started to occur.
Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement.
To challenge (an incumbent sitting politician) for their political party's nomination to run for re-election, through running a challenger campaign in a primary election, especially one that is more ideologically extreme.
To take part in a primary election.
The first two long feathers of a hawk's wing.
The chief administrator of a school.
A diapason, a type of organ stop on a pipe organ.
The construction that gives shape and strength to a roof, generally a truss of timber or iron; or, loosely, the most important member of a piece of framing.
A dancer at the highest rank within a professional dance company, particularly a ballet company.
The primary participant in a crime.
A security principal.
A legal person that authorizes another (the agent) to act on their behalf; or on whose behalf an agent or gestor in a negotiorum gestio acts.
The chief executive and chief academic officer of a university or college.
The money originally invested or loaned, on which basis interest and returns are calculated.
A partner or owner of a business.
One of the turrets or pinnacles of waxwork and tapers with which the posts and centre of a funeral hearse were formerly crowned
Chosen or assumed among a branch of possible values of a multi-valued function so that the function is single-valued.
Primary; most important; first level in importance.