A street in Washington, District of Columbia, United States / (US, politics, by restriction) The section of K Street, D.C., USA, where political lobbyists have their offices.

(electrencephalography) A waveform that occurs approximately every 60–100 seconds during stage 2 of NREM sleep, and which consists of a brief negative high-voltage peak (usually >100µV), followed by a slower positive complex ~350–550ms, and at 900ms a final negative peak.

(physics) kinetic quintessence

(slang) The state of dissociation from (and lack of control over) the body commonly experienced after taking relatively high doses of the drug ketamine.

(uncountable, algebra, algebraic geometry, algebraic topology) The study of rings R generated by the set of vector bundles over some topological space or scheme;

(informal) Francisco Rodríguez (baseball player)

(UK, slang) Kate Middleton, Catherine, Duchess of Cambridge.

A property possessed by certain anonymized data, such that the information for each person cannot be distinguished from at least k-1 other individuals whose information also appear in the release.

plural of K-drama

(uncountable) Dramatic television series produced in South Korea. / (countable) An individual television series of this genre.