an alloy of iron and molybdenum used in making alloy steels
ferromolybdenum in American English
(ˌferouməˈlɪbdənəm, -ˌmɑlɪbˈdi-)
noun
a ferroalloy containing up to 60 percent molybdenum
Word origin
[1900–05; ferro- + molybdenum]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: Young Turk, decompression, elder statesman, hydroplane, internshipferro- is a combining form with the meaning “iron,” used in the formation of compound words.Other words that use the affix ferro- include: ferroalloy, ferroaluminum, ferrocement, ferronickel, ferrotungsten