ferricoxidepowder
nounUK /ˌferɪk ˈɒksaɪd ˈpaʊdə/
US /ˌferɪk ˈɑːksaɪd ˈpaʊdər/
A red powder made of iron and oxygen that people use to make paint and other things.
The artist mixed ferric oxide powder with oil to make red paint.
OTHER MEANINGS
2. A fine red pigment used in cosmetics and art supplies.
She added ferric oxide powder to the clay to give it a warm red color.
3. A material used in magnetic recording tapes and disks.
The old cassette tape was coated with ferric oxide powder.
4. A polishing agent for glass and metals.
The jeweler used ferric oxide powder to polish the silver ring.
5. A coloring agent in concrete and brick.
The builder mixed ferric oxide powder into the cement for a reddish finish.