intumesce

Verb

• expand abnormally
  • The bellies of the starving children are swelling
    

• move upwards in bubbles, as from the effect of heating; also used metaphorically
  • Gases bubbled up from the earth
    
  • Marx's ideas have bubbled up in many places in Latin America
    

Related words

• Synonyms: 
  swell , swell up , tumefy , tumesce , bubble up