Definitions
1.AdjectiveNext in order to the first or primary; of second place in origin, rank, etc.
2.AdjectiveOriginating from a deputy or delegated person or body."the work of secondary hands"
3.AdjectiveDerived from a parent compound by replacement of two atoms of hydrogen by organic radicals.
4.AdjectiveProduced by alteration or deposition subsequent to the formation of the original rock mass.
5.AdjectiveDeveloped by pressure or other causes."secondary cleavage"
6.AdjectivePertaining to the second joint of the wing of a bird.
7.AdjectiveDependent 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"
8.AdjectiveOf less than primary importance."a secondary issue"
9.AdjectiveRelated to secondary education, i.e. schooling between the ages of (approximately) 11 and 18.
10.AdjectiveRelating to the manufacture of goods from raw materials.
11.AdjectiveFormed by mixing primary colors."Yellow is a secondary light color, though a primary CMYK color."
12.AdjectiveRepresenting a reversion to an ancestral state.
13.NounAny flight feather attached to the ulna (forearm) of a bird.
14.NounA radar return generated by the response of an aircraft's transponder to an interrogation signal broadcast by a radar installation, containing additional encoded identification and situational data not available from a simple primary return.
15.NounThe second stage of a multistage thermonuclear weapon, which generates a fusion explosion when imploded as an indirect result of the fission explosion of the primary, and which, in a few extremely large weapons, itself implodes a fusion tertiary.
16.NounAn act of issuing more stock by an already publicly traded corporation.
17.NounThe defensive backs.
18.NounAn inductive coil or loop that is magnetically powered by a primary in a transformer or similar.
19.NounOne who occupies a subordinate or auxiliary place; a delegate deputy."the secondary, or undersheriff, of the city of London"
20.NounA secondary circle.
21.NounA satellite.
22.NounA secondary school."There are four secondaries in this district, each with several thousand pupils."
23.NounEllipsis of secondary colour.
24.NounAnything secondary or of lesser importance.