Iron or tin (7)
I believe the answer is:
element
(Other definitions for element that I've seen before include "Component - habitat" , "Comfort zone" , "fire, perhaps, once" , "An abstract part of something" , "Constituent part (7)" .)
I believe the answer is:
element
(Other definitions for element that I've seen before include "Component - habitat" , "Comfort zone" , "fire, perhaps, once" , "An abstract part of something" , "Constituent part (7)" .)