|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
allotrope al·lo·trope (āl'ə-trōp')
A structurally differentiated form of an element that exhibits allotropism.
|allotrope (āl'ə-trōp') Pronunciation Key
Any of several crystalline forms of a chemical element. Charcoal, graphite, and diamond are all allotropes of carbon.