Tillandsia usneoides
— Noun
– English
~ dense festoons of greenish-grey hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots; southeastern United States and West Indies to South America
trivalent live oral poliomyelitis vaccine
— Noun
– English
~ an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis