definition of
sulphurous

[1] #1 sulphurous a. [sulfurous] of or related to or containing sulfur or derived from sulfur. wn

[2] #2 sulphurous s. [sultry, stifling, sulfurous] characterized by oppressive heat and humidity; "the summer was sultry and oppressive"; "the stifling atmosphere"; "the sulfurous atmosphere preceding a thunderstorm". wn