ERUPT
verb. 1 break out suddenly or dramatically. 2 (of a volcano) eject lava etc. 3 (of a rash etc.) Appear on the skin. ? eruption none. Eruptive adjective. [latin erumpo erupt- break out] -ery suffix (also -ry) forming nouns denoting: 1 class or kind (greenery; machinery; citizenry). 2 employment; state or condition (dentistry; slavery). 3 place of work or cultivation or breeding (brewery; rookery). 4 behaviour (mimicry). 5 often derog. All that has to do with (popery). [french -erie]