A subgenre of jazz music that extends bebop with influences from rhythm and blues, gospel music, and blues.

plural of hard sauce

plural of hard disc

plural of hard hand

(blackjack) A hand of cards that are worth their face value, i.e. without any ace being counted as 11.

(mechanical engineering) The hardness of a material according to the Vickers hardness test, based on its ability to resist plastic deformation from a standard source.

plural of Vickers hardness

Any variety of wheat with hard grains of a higher protein content, used in the production of bread flour and pasta.

plural of hard space

Steel hardened by the addition of other elements, such as manganese, phosphorus, or (usually) carbon.