The train between Naples and Sorrento is a very cheap and quick way to travel between the two cities. Unfortunately, it also happens to be one of the worst in terms of pick-pocketing.
Definition of Element. 1) A substance that cannot be decomposed into simpler substances by chemical means. 2) One of the 116 presently known substances that cannot be decomposed by chemical reaction into a simpler substance. Elements comprise all matter at and above the atomic level.
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter. carbon atom - an atom of carbon. hydrogen atom - an atom of hydrogen.