The property of turbulence within one air mass that occurs at some times and some places and does not occur at intervening times or places. Whereas the classical theory of homogeneous turbulence relies on the assumption that the turbulence energy dissipation rate ε is constant in space, in reality ε is not always constant. Those inhomogeneities may lead to intermittent turbulence. To predict a turbulent or nonturbulent (laminar) behavior within an air mass properly, the complete vertical profiles of either the virtual potential temperature or the buoyancy must be known. Turbulence is often intermittent in the stable boundary layer (e.g., nocturnal) and in the entrainment zone capping the convective mixed layer (e.g., daytime).

when referring to urination, this means that the stream is weak, hesitating at times during the process of urination

Interruption of the urinary stream while voiding.

Word intermittence, intermittency means the quality of being intermittent; subject to interruption or periodic stopping.

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