Meanings

self-inflating

swelling (with fluid)

if you don't speak your mind, you'll feel uneasy afterwards

turgor pressure

to expand

plump

to expand

expanding universe

currency expansion

ampulla

coefficient of expansion

thermal expansion

scab

to blow a bubble (with bubble gum)

to look displeased

coefficient of linear expansion

linear expansion

expansion of credit

to make (someone's) imagination go wild

curve of the tip of a sword