black art

:  of the color black (see ²black 2)

:  very dark in color

:  having a very deep or low register (see ¹register 4b)

:  a pigment or dye of the color black :  a black pigment or dye

:  one consisting largely of carbon

:  the achromatic (see achromatic 3) color of least lightness characteristically perceived to belong to objects that neither reflect nor transmit light

:  to become black (see ¹black)

:  to make black

:  to declare (something, such as a business or industry) subject to boycott by trade-union members

:  skill acquired by experience, study, or observation

:  a branch of learning:

:  one of the humanities

:  produced as an artistic effort or for decorative purposes

: archaic present tense second-person singular ofbe

: article

: artificial

: artillery