braunite
noun
braun·ite
ˈbrau̇ˌnīt
plural -s
: a brittle brownish black or steel-gray mineral that consists of manganese silicate and occurs massive and as tetragonal crystals (hardness 6–6.5, specific gravity 4.75–4.82)
Word History
Etymology
Councilor Braun, 19th century German treasury official + English -ite
- undercooked
- undercooking
- undercooks
- undercool
- undercooled
- undercooling
- undercools
- undercount
- undercounted
- undercounting
- undercounts
- undercourse
- undercover
- undercover agent
- undercover agents
- undercover man
- undercovers
- undercovert
- undercoverts
- undercroft
- undercrofts
- undercrossing
- undercrowded
- undercrowding
- undercurrent