secondary
/ˈsɛkənˌdɛɹi/ noun C2- Any flight feather attached to the ulna (forearm) of a bird.
- A 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.
- The 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.
- An act of issuing more stock by an already publicly traded corporation.
- The defensive backs.
- An inductive coil or loop that is magnetically powered by a primary in a transformer or similar.
- One who occupies a subordinate or auxiliary place; a delegate deputy. · the secondary, or undersheriff, of the city of London
- A secondary circle.
Plural secondaries
From the library
To the committee the adventure was so extraordinary and curious, that the interest they had felt for the count’s safety became now quite a secondary matter.
Danglars has only been a secondary agent in this sad affair, and it is of M.
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