ferroboron
noun
fer·ro·boron
"+
: an alloy of iron and boron sometimes added to molten steel
Word History
Etymology
ferro- + boron
First Known Use
1877, in the meaning defined above
- letter package
- letter paper
- letter post
- letter quality
- letter rate
- letter sheet
- letter spacing
- letter spacings
- letter stock
- letter writer
- letter-perfect
- letterbombs
- letterbox
- letterboxed
- letterboxes
- letterboxing
- letterboxings
- lettercard
- lettercardes
- lettercards
- lettered
- letterer
- letterers
- letteret
- letterform