monometallic carbonyls.    From Wordnet, Princeton University. 

Britain went to a "monometallic" (gold-only) system in 1816.    From Wordnik.com.  [Nathan Lewis: A Brief History of the Dollar] Reference

America, and other monometallic countries; and as a result, they have almost entirely escaped those fearful convulsions have that threatened the political stability of great nations.    From Wordnik.com.  [If Not Silver, What?] Reference

We present them the example of France as an unanswerable proof that one great nation can maintain bimetallism, and that by maintaining it she escaped the worst evils that have affected the monometallic countries, and assured for herself an extraordinary progress and prosperity.    From Wordnik.com.  [If Not Silver, What?] Reference

There are those in England who still believe that this war will be the supreme test of the gold monometallic base for money and banking.    From Wordnik.com.  [The Audacious War] Reference

But it is here proposed to start silver with a large legal-tender advantage above its market value, and with the probability, through further depreciation, of increasing that advantage by which the monometallic standard of silver will be ordained and confirmed.    From Wordnik.com.  [American Eloquence, Volume 4 Studies In American Political History (1897)] Reference

Whether she has suffered more relatively than we should have suffered from the same cause in America, had we been foolish enough to imitate the monometallic policy of Germany in 1873, is however open to question; and I have an impression, which it will require evidence to remove, that the actual organisation known as the.    From Wordnik.com.  [Ireland Under Coercion (2nd ed.) (2 of 2) (1888)] Reference

A monometallic seems to be that a single-metal standard leaves out one-half of the world's resources; but the same thing must occur with a bimetallic standard unless the metals can be placed and kept in a state of exact equilibrium, or so that nothing can be gained by the exchange of one for the other.    From Wordnik.com.  [American Eloquence, Volume 4 Studies In American Political History (1897)] Reference