something that bulges out or is protuberant or projects from its surroundings;"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"
the increase in volume of certain substances when they are heated (often accompanied by release of water)
中英词源
swelling 膨胀，肿胀，浮肿处wWW.wENTiyI.cOM
swell,膨胀，肿胀，-ing,动名词后缀。
swelling (n.)
"tumor, morbid enlargement," Old English; verbal noun from swell (v.).
词态变化
复数 swellings;
权威造句
1. Poison from the weaver fish causes paralysis, swelling, and nausea.
龙的毒素会引起瘫痪、肿胀和恶心。
来自柯林斯例句
2. Exports are dwindling and the trade deficit is swelling.
