| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
allopolyploid al·lo·pol·y·ploid (āl'ə-pŏl'ē-ploid')
adj.
Having three or more complete sets of chromosomes derived from different species. n.
An organism with three or more complete sets of chromosomes derived from different species.