Secondary vs. Tertiary

Secondaryadjective

Next in order to the first or primary; of second place in origin, rank, etc.

Tertiaryadjective

Of third rank or order; subsequent.

Secondaryadjective

Originating from a deputy or delegated person or body

‘the work of secondary hands’;

Tertiaryadjective

(chemistry) Possessing some quality in the third degree; especially having been subjected to the substitution of three atoms or radicals.

‘a tertiary alcohol, amine, or salt’;

Secondaryadjective

(organic chemistry) Derived from a parent compound by replacement of two atoms of hydrogen by organic radicals

Tertiaryadjective

(ornithology) Of quills: growing on the innermost joint of a bird's wing; tertial.

Secondaryadjective

(geology) produced by alteration or deposition subsequent to the formation of the original rocks mass

Tertiarynoun

Any item considered to be of third order.

Secondaryadjective

(geology) developed by pressure or other causes.

‘secondary cleavage’;

Tertiarynoun

A tertiary colour.

Secondaryadjective

(anatomy) Pertaining to the second joint of the wing of a bird.

Tertiarynoun

(geology) Something from the Tertiary Period (the former term for the geologic period from 65 million to 2.58 million years ago).

Secondaryadjective

(medicine) Dependent or consequent upon another disease, or occurring in the second stage of a disease.

‘Bright's disease is often secondary to scarlet fever.’; ‘the secondary symptoms of syphilis’;

Tertiarynoun

(ornithology) A tertiary feather; a tertial.

Secondaryadjective

Of less than primary importance.

‘a secondary issue’;

Tertiarynoun

(Roman Catholicism) A member of a Roman Catholic third order; a layperson who participates in activities similar to those engaged in by men and women who take religious vows (respectively the first and second orders), and who may wear some elements of an order's habit such as a scapular.

Secondaryadjective

(education) related to secondary education, i.e. schooling between the ages of 11 and 18

Tertiaryadjective

Being of the third formation, order, or rank; third; as, a tertiary use of a word.

Secondaryadjective

(industry) relating to the manufacture of goods from raw materials.

Tertiaryadjective

Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. Primary, and Secondary.

Secondaryadjective

(of a color) Formed by mixing primary colors.

‘Yellow is a secondary light color, though a primary CMYK color.’;

Tertiaryadjective

Later than, or subsequent to, the Secondary.

Secondarynoun

(ornithology) Any flight feather attached to the ulna (forearm) of a bird.

Tertiaryadjective

Growing on the innermost joint of a bird's wing; tertial; - said of quills.

Secondarynoun

(finance) An act of issuing more stock by an already publicly traded corporation.

Tertiarynoun

A member of the Third Order in any monastic system; as, the Franciscan tertiaries; the Dominican tertiaries; the Carmelite tertiaries. See Third Order, under Third.

Secondarynoun

The defensive backs.

Tertiarynoun

The Tertiary era, period, or formation.

Secondarynoun

(electronics) An inductive coil or loop that is magnetically powered by a primary in a transformer or similar

Tertiarynoun

One of the quill feathers which are borne upon the basal joint of the wing of a bird. See Illust. of Bird.

Secondarynoun

One who occupies a subordinate or auxiliary place; a delegate deputy.

‘the secondary, or undersheriff, of the city of London’;

Tertiarynoun

from 63 million to 2 million years ago

Secondarynoun

(astronomy) A secondary circle.

Tertiaryadjective

coming next after the second and just before the fourth in position

Secondarynoun

(astronomy) A satellite.

Tertiary

Tertiary ( TUR-shə-ree, TUR-shee-err-ee) is a widely used but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start of the Cenozoic Era, and extended to the beginning of the Quaternary glaciation at the end of the Pliocene Epoch.

Secondarynoun

(education) A secondary school.

‘There are four secondaries in this district, each with several thousand pupils.’;

Secondarynoun

Anything secondary or of lesser importance.

Secondaryadjective

Succeeding next in order to the first; of second place, origin, rank, etc.; not primary; subordinate; not of the first order or rate.

‘Wheresoever there is moral right on the one hand, no secondary right can discharge it.’; ‘Two are the radical differences; the secondary differences are as four.’;

Secondaryadjective

Acting by deputation or delegated authority; as, the work of secondary hands.

Secondaryadjective

Possessing some quality, or having been subject to some operation (as substitution), in the second degree; as, a secondary salt, a secondary amine, etc. Cf. primary.

Secondaryadjective

Subsequent in origin; - said of minerals produced by alteration or deposition subsequent to the formation of the original rock mass; also of characters of minerals (as secondary cleavage, etc.) developed by pressure or other causes.

Secondaryadjective

Pertaining to the second joint of the wing of a bird.

Secondaryadjective

Dependent or consequent upon another disease; as, Bright's disease is often secondary to scarlet fever.

Secondarynoun

One who occupies a subordinate, inferior, or auxiliary place; a delegate or deputy; one who is second or next to the chief officer; as, the secondary, or undersheriff of the city of London.

‘Old Escalus . . . is thy secondary.’;

Secondarynoun

A secondary circle.

Secondarynoun

A secondary quill.

Secondarynoun

the defensive football players who line up behind the linemen

Secondarynoun

coil such that current is induced in it by passing a current through the primary coil

Secondaryadjective

of second rank or importance or value; not direct or immediate;

‘the stone will be hauled to a secondary crusher’; ‘a secondary source’; ‘a secondary issue’; ‘secondary streams’;

Secondaryadjective

inferior in rank or status;

‘the junior faculty’; ‘a lowly corporal’; ‘petty officialdom’; ‘a subordinate functionary’;

Secondaryadjective

depending on or incidental to what is original or primary;

‘a secondary infection’;

Secondaryadjective

not of major importance;

‘played a secondary role in world events’;

Secondaryadjective

belonging to a lower class or rank