(computing, Internet) A value that is used to identify a key set.

Sufficient money can accomplish anything.

To lock someone up in prison indefinitely.

(computing, telegraphy) An input device whose few keys can be pressed in many combinations, often simultaneously, to enter different commands or characters.

plural of keyset

(ecology) A species that exerts a large, stabilizing influence throughout an ecological community, despite its relatively small numerical abundance.

plural of keyspace

(cryptography) The notional space that contains all possible cryptographic keys. / (databases) A NoSQL object that includes column families.

(business, marketing) A pricing method where the price is doubled at each level of distribution.

plural of keystream