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.
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.
Any flight feather attached to the manus (hand) of a bird.
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.
Insufficient or lacking in a particular respect.
Lower; beneath something.
Under anesthesia, especially general anesthesia; sedated.
In a state of subordination, submission or defeat.
Insufficiently.
In or to a lower or subordinate position, or a position beneath or below something, physically or figuratively.
In or into an unconscious state.
So as to pass beneath something.
The amount by which an actual total is less than the expected or required amount.
Using or adopting (a name, identity, etc.).
Subordinate to; subject to the control of; in accordance with; in compliance with.
Within the category, classification or heading of.
Below the surface of.
Less than.
In the face of; in response to (some attacking force).
In or at a lower level than; in the area covered or surmounted by.
From one side of to the other, passing beneath.