expandˈer or expandˈor noun

1. An electronic device which increases the range of amplitude variations in a transmission system
2. A device used for exercising and developing muscles

expanse /-pansˈ/ noun

1. A wide extent
2. A stretch
3. The amount of spread or stretch
4. The firmament

expansibilˈity noun

expansˈible adjective

Capable of being expanded

expansˈibly adverb

expansˈile /-īl/ adjective

Capable of expansion

expanˈsion noun

1. The act of expanding
2. The state of being expanded
3. Enlargement
4. Something which is expanded
5. Amount of expanding
6. Territorial extension
7. Immensity
8. Extension

expanˈsional adjective

expanˈsionary adjective

Tending to expand

expanˈsionism noun

The principle or practice of expanding the territory or the economy of a country

expanˈsionist noun

Someone who favours territorial or currency expansion (also adjective)

expansionistˈic adjective

expansˈive adjective

1. Widely extended
2. Diffusive
3. Causing expansion
4. Worked by expansion
5. Effusive
6. Talkative or communicative
7. Marked by excessive feeling of wellbeing and delusions of self-importance (psychiatry)

expansˈively adverb

expansˈiveness noun

expansivˈity /eks-/ noun

expanded metal noun

Steel, etc stretched to form a mesh, used for reinforcing concrete, etc

expanding metal noun

A metal or alloy that expands in the final stage of cooling from liquid

expanding universe (theory) noun (astronomy)

The theory that the whole universe is constantly expanding and the galaxies moving away from each other

expansion board or expansion card noun (computing)

A printed circuit board which can be inserted into an expansion slot, a connector on a computer motherboard which allows extra facilities to be added temporarily or permanently

expansion bolt noun

A bolt that expands within a hole, crack, etc, thus providing a firm support, eg in mountaineering

expansion joint noun (engineering)

A gap left at a joint between eg lengths of rail or sections of concrete, to allow for heat expansion