pumice. n. 1. (Geological Science) Also called: pumice stone a light porous acid volcanic rock having the composition of rhyolite, used for scouring and, in powdered form, as an abrasive and for polishing. vb. 2. (Tools) (tr) to rub or polish with pumice.[C15 pomys, from Old French pomis, from Latin pÅ«mex ].umÂ·ice. n. A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive. tr.v. pumÂ·iced, pumÂ·icÂ·ing, pumÂ·icÂ·es. To clean, polish, or smooth with pumice.
Summary: 1.A neuron is an individual cell, whereas, a group of neurons form a nerve. 2.There are two types of neurons ââ sensory and motor neurons; while there are three types of nerves ââ afferent, efferent and mixed nerves.
  Answer   A neuron (or neurone) is an individual cell of the nervous system. Neurons communicate with one another and other tissues through long processes that exten â¦ d from their cell bodies. There are different names for these processes; some are called dendrites, others are called axons.he nerves are composed of nerve cells called NEURONS. â¦ A neuron is composed of the body which has NUCLEUS inside, long extension branch called AXON (which is surrounded by MYELIN in some nerves), short extension branches called DENDRITES and SYNAPTIC TERMINAL. 2.