The phrase "a roots" is not correct in written English.
It should be "roots" without the article "a," as "roots" is a plural noun.
Example: "The roots of the tree spread deep into the soil."
Alternatives: "the roots" or "roots".
The dynamic responses of a roots vacuum pump for which the spur gear high mesh frequency parametric excitation is coupled with a low fluidic drag torque frequency.
A roots revival stimulated interest in folk traditions, led by writers, collectors and traditional performers.
With rain it gets quite damp, so having a roots system would help," explained Daley.
Not one easy to pigeon-hole, Williams' music is a roots music love-child.
A novel that begins as a road trip turns finally into a roots trip.
Dominic Kendrick and Wendy Orr with a Roots Manuva inspired hack called 'GuardianWitness the Fitness'.
The Big Surprise Tour, a roots-music extravaganza, makes rollicking sport of camaraderie.
A very contemporary jazz saxophone solo materializes over a roots-rock song.
Up top, the older engine's carburetor and oil-bath air cleaner intake system have yielded to a roots-type supercharger, port fuel injection and computerized control.
With songs like "Thing Called Love," "Feels Like Rain" and "Cry Love" Mr. Hiatt long ago established himself as a roots-rock sage, terse and heartfelt.
They could sound like a chamber ensemble, a jazz combo, a ragtime group or a roots-rock band as well as a klezmer group.
