So called from the island of Portland, where it is quarried. It hardens by exposure to the atmosphere. St. Paul’s Cathedral and Somerset House (London) are built of this stone.
· ·
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.