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primary

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Primary is defined as a special election that is used to choose candidates from among a political party for a more major election.

(noun)

An example of a primary is when the Republicans hold an election to choose which member of their party will run for president.

The definition of primary is something that is the most important, among the most important, something that comes early in development or that is original and not derived from something else.

(adjective)

An example of primary is the main reason why you choose to have a baby.
An example of primary is the first stage in a child's development.
An example of primary is a color, such as blue, that cannot be made by mixing other colors.
An example of primary is an original research study on a subject, rather than a summary of that study.

See primary in Webster's New World College Dictionary

adjective

first in time or order of development; primitive; original; earliest
from which others are derived; fundamental; elemental; basic
designating colors regarded as basic, or as those from which all others may be derived: classification of colors as primary varies
of or in the first stage of a sequence; elementary: primary school
first in importance; chief; principal; main: a primary concern
firsthand; direct: a primary source of information
Chem.
1. characterized by or resulting from the replacement of one atom or radical
2. characterized by groups or radicals that are attached to the end carbon atom of a chain, i.e., to a CH group (Ex.: primary alcohols, CHOH; primary amines, CHNH)
Elec. designating or of an inducing current, input circuit, or input coil in a transformer, induction coil, etc.
Geol.
1. formed directly by sedimentation, solidification, or precipitation and not subsequently altered: said of rocks
2. Obsolete designating or of the earliest geological periods, up through the Paleozoic Era
Linguis. having as its fundamental form a base or other element that cannot be broken down: said of derivation
Med. designating or having to do with the initial medical care given to a patient, before referral to another doctor, a specialist, etc.
Zool. designating or of the large, stiff feathers on the last section, or hand, of a bird's wing

Origin: ME prymary < L primarius < primus, first: see prime

noun pl. primaries

something first in order, quality, importance, etc.
☆ in the U.S.,
1. a local meeting of voters of a given political party to nominate candidates for public office, select delegates to a convention, etc.
2. direct primary election
any of the primary colors
Astron.
1. a sun, planet, etc. in relation to its satellites
2. the brighter member of a binary star
Elec. a primary coil
Zool. a primary feather

See primary in American Heritage Dictionary 4

adjective

First or highest in rank, quality, or importance; principal.
Being or standing first in a list, series, or sequence.
Occurring first in time or sequence; earliest.
Being or existing as the first or earliest of a kind; primitive.
Geology Characteristic of or existing in a rock at the time of its formation.
Serving as or being an essential component, as of a system; basic. See Synonyms at chief.
a. Immediate; direct: a primary effect; a primary information source.
b. Preliminary to a later stage in a continuing process: primary training.
c. Of or relating to a primary school: the primary grades.
Of or relating to a primary color or colors.
Linguistics
a. Having a word root or other linguistic element as a basis that cannot be further analyzed or broken down. Used of the derivation of a word or word element.
b. Referring to present or future time. Used as a collective designation for various present and future verb tenses in Latin, Greek, and Sanskrit.
Electronics Of, relating to, or constituting an inducting current, circuit, or coil.
Of, relating to, or designating the main flight feathers projecting along the outer edge of a bird's wing.
Of or relating to agriculture, forestry, the industries that extract natural materials from the earth, or the products so obtained: a primary commodity.
Chemistry
a. Relating to the replacement of one of several atoms or radicals in a compound by another atom or radical.
b. Having a carbon atom attached solely to one other carbon atom in a molecule.
Botany Of, relating to, or derived from a primary meristem.

noun pl. pri·mar·ies

a. One that is first in time, order, or sequence.
b. One that is first or best in degree, quality, or importance.
c. One that is fundamental, basic, or elemental.
a. A meeting of the registered voters of a political party for the purpose of nominating candidates and for choosing delegates to their party convention.
b. A preliminary election in which the registered voters of a political party nominate candidates for office.
A primary color.
A primary flight feather.
Electronics An inducting current, circuit, or coil.
Astronomy
a. A celestial body, especially a star, relative to other bodies in orbit around it.
b. The brighter of two stars that make up a double star.