touchstone
touchstone
s.
piedra de toque, pedernal
touchstone
base | referencia | punto de partida | criterio | norma | medida - lĂnea imaginaria o norma a partir de la cual se miden o se comparan las cosas
touchstone
(n.) = piedra de toque, criterio, principio.
Ex: The touchstone for professional practice are the professional codes of ethics that govern medicine in face-to-face relationships with patients.