(calculus) Initialism of stochastic differential equation. / Initialism of software development engineer. / Initialism of small dick energy.

(archaic) Expressing anger or astonishment.

(Internet) Initialism of Shared Dictionary Compression over HTTP: a compression technique for the World Wide Web.

Initialism of Secure Digital High Capacity: a type of memory card.

(computing) Initialism of Sun Developer Network.

Initialism of specially designated national.

Initialism of synchronous dynamic random access memory.

(computing) Initialism of Simple Declarative Language. / (databases) Initialism of Schema Definition Language.

plural of SDK

(computing, uncountable) Initialism of single-display groupware. / (economics, countable) Initialism of Sustainable Development Goal. / (geometry) Initialism of synthetic differential geometry.