Meaning : Something that bulges out or is protuberant or projects from its surroundings.
Example :
The gun in his pocket made an obvious bulge.
The hump of a camel.
He stood on the rocky prominence.
The occipital protuberance was well developed.
The bony excrescence between its horns.
Synonyms : bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, protuberance
Meaning : The increase in volume of certain substances when they are heated (often accompanied by release of water).
Synonyms : intumescence, intumescency