Spontaneously
131Nambu–Jona-Lasinio model — In quantum field theory, the Nambu–Jona Lasinio model (or more precisely: the Nambu and Jona Lasinio model) is a theory of nucleons and mesons constructed from interacting Dirac fermions with chiral symmetry which parallels the construction of… …
132Speech repetition — Children copy with their own mouths the words spoken by the mouths of those around them. This enables them to learn the pronunciation of words not already in their vocabulary. Speech repetition is the saying by one individual of the spoken… …
