(of volcanos) having the potential to erupt due to the presence of magma and volcanic gases actively rising and being discharged from the volcano's vents

(grammar) describing a verb whose subject is the one that does the action

tending to become more severe or wider in scope

engaged in or ready for military or naval operations

place (candle wicks) into hot, liquid wax

disposed to take action or effectuate change

being in a particular activity which takes a lot of energy

exerting influence or producing a change or effect

in operation

(of e.g. volcanos) erupting or liable to erupt

engaged in full-time work

expressing that the subject of the sentence has the semantic function of actor

(of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions

a member or participant in a particular organization or group

(grammar) the voice in which the subject is the agent that does the action of the verb