firmness

firmness [ferm-nes]
sustantivo
1Firmeza, dureza, consistencia, estabilidad, solidez; entereza, constancia, resolución.

firmness [ˈfɜːmnɪs]
noun
1 (hardness) [of mattress, muscles, thighs] dureza; (f)
2 (tightness) [of grip] fuerza; (f)
she was surprised at the firmness of his grip
3 (determination) firmeza; (f)
she spoke with a calm firmness
firmness of character/purpose firmeza de carácter/propósito; (f)
Mr Peres, a man not noted for firmness of purpose
4 (severity) firmeza; (f) mano dura; (f)
Adolescents need firmness as well as freedom