(biology) The phenotype extended to include effects that genes have on their environment. (ex.: beaver dams, spider webs, ant colonies, a caddis fly's protective cases, etc.)

(computing) The extent of memory above the first megabyte in the address space of later PCs

plural of extended metaphor

(computing) An application which allows software to run in protected mode, even though the host operating system runs only in real mode.

(snooker) A spider (type of rest) in which the head is extended in front in order to reach over intervening balls

A household with additional members compared to a nuclear family.

plural of extended household

plural of extended play

(music) A musical recording that contains more music than a single, but is usually too short to qualify as a full studio album or LP.

An unofficial shinjitai (new character form) created by analogy.