A form of cryptography which allows users to communicate securely without previously agreeing on a shared secret key (abbreviation PKC)

(Greek mythology) The legendary knot tied to a pole near the temple of Zeus in Gordium. / (by extension) Any intricate and complex problem having a simple solution.

A key designed to open a set of several locks; a passkey. / (figuratively) Any tool or technique that can solve many types of difficulty.

a user interface element similar to a graphical organizer, which visualizes connections between data by a series of shapes (or images) representing ideas and arrows representing relations between them.

an enzyme capable of removing specific genes from a sequence of DNA, especially to disable the replication of a virus

(of a group) Closely linked or connected, as by a common identity, culture, or bond.

A wide triangular knot of a particular sort in a necktie.

A knowledge of how to make something work without deeper theoretical understanding of why it works.

A scullery.

(transitive) to enter data by keyboarding