<geology> A volcanic area or vent which yields only sulphur vapors, steam, and the like. It represents the stages of the volcanic activity.

Origin: It, from solfo brimstone, sulphur, L. sulphur, E. Sulphur.

(01 Mar 1998)

sole reflex, sole tap reflex, soleus, solfanaria < Prev | Next > sol gel transformation, solicit, solicitress

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