a tripod stand is used to hold the beaker.
That would be a tripod, which does indeed have three legs -- and is a stand.
the inventor of the tripod stand was golbert mathews in 1850 january 8
If you mean a stand used for steadying the camera while taking pictures, then it's called a tripod.
tripod
it is called a tripod stand
a tripod
three legs. the most common thing is a tripod stand for a camera.
A stand with three legs is a tripod.
there are three legs on a tripod (tri -> three, pod -> stand)
A tripod
A Tripod.
tripod