bone black black substance containing char in the form of carbonized bone; used as a black pigment
bad block a block that cannot reliably hold data
public not private
blue-black of black tinged with blue
bootblack a person who polishes shoes and boots
babelike like a baby especially in dependence
shoe black large showy Asiatic shrub or small tree having large single or double red to deep-red flowers
pitch black a very dark black
play back reproduce (a recording) on a recorder
buy back buy what had previously been sold, lost, or given away
pay back act or give recompense in recognition of someone's behavior or actions
buyback the act of purchasing back something previously sold
pitch-black extremely dark
coal black a very dark black
trap block (American football) an illegal block
jet black a very dark black
pull back pull back or move away or backward
shoeblack a person who polishes shoes and boots
blowback the backward escape of gases and unburned gunpowder after a gun is fired
playback the act of reproducing recorded sound