膨胀

This metal is expansible.

Gases are more expansile than liquids.

When a metal is heated, it expands. / Metals become dilated with/by/under heat. / Metals undergo expansion when heated.

free expansion

abomasum bloat

bulking of sludge

volume expansion

expansion of gases

apparent expansion

His individualism is growing/expanding with each passing day.

The global economy is in a long-term expansionary trend.

credit inflation and contraction

inflated/overexpanded consumption

swell in population