Being the first in time or in history. / Of greatest importance; primary.

A primal cut (of meat).

(intransitive) To take part in primal therapy.

plural of primate

(psychology) A consequence, such as food or water, that fulfills a primary, unlearned drive, such as hunger or thirst, and thereby reinforces a behavior without dependence on prior learning.

(healthcare) The medical attention that a patient receives upon first contact with a healthcare system; either a general practitioner or the A&E or ER department of a hospital.

(chemistry) in a coordination compound, the number of negative ions needed to satisfy the charge on the central metal ion

(chemistry) An amine, containing a single radical, of general formula R-NH₂

A person or organization producing basic agricultural commodities, such as a farmer or cattle producer.

Hypothermia caused by exposure to a cold environment.