The Rockwell hardness tester to measure the hardness of metal measures resistance to penetration like the Brinell test, but in the Rockwell case, the depth of the impression is measured rather than the diametric area. With the Rockwell tester, the hardness is indicated directly on the scale attached to the machine.
(Redirected from Apache Nation) The Apache (/ÉËpÃ¦tÊiË/; French: [a.paÊ]) are culturally related Native American tribes from the Southwestern United States, and have traditionally lived in Eastern Arizona, Northern Mexico (Sonora and Chihuahua), New Mexico, West Texas, and Southern Colorado.
The noun APACHE DANCE has 1 sense: 1  1. a violent fast dance in French vaudeville (an apache is a member of the French underworld) 2  Meaning: 3  A violent fast dance in French vaudeville (an apache is a member of the French underworld) 4  Classified under: 5  Nouns denoting acts or actions. 6  Hypernyms (apache dance is a kind of...):