The latter is a simple unpolar force, while the former is duplex or polar.
Social progress is for the most part typified by this duplex or polar action.
This is what is known as the double or duplex standard of sex morality.
Would it be indexed generally, or by departments,—duplex or single?
Jim spent more of his time at his clubs than at his duplex home.
Has it not been cruel, scandalous, abominable to her and our friends at Duplex Street?
In duplex telegraphy we use what is called a differential magnet.
There are some advantages in this duplex construction, and some disadvantages.
Leo Modena allotted to two characters his own duplex nature, his varying convictions.
Strange to say, the American practice seems to be to attach enormous fly wheels to duplex air compressors.