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alumina
aluminate
aluminiferous
aluminise
aluminium
aluminize
aluminosilicate
aluminosis
aluminothermy
aluminous
aluminum
aluminum chloride
aluminum hydroxide
aluminum oxide
aluminum siding
aluminum sulfate
alumna
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altricial

al·tri·cial [ al tríshəl ]


adjective 
Definition:
 
helpless and dependent: describes birds or mammals that are helpless when young and dependent on their parents for food



noun  (plural al·tri·cials)
Definition:
 
animal producing helpless young: a bird or mammal that produces young that are unable to move or feed themselves without help

[Late 19th century. < modern Latin Altrices (former division of birds), plural of Latin altrix "female nourisher" < alere "nourish"]
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