The cell nucleus is one of the largest organelles found in cells and also plays an important biological role. It composes about 10% of the total volume of the cell and is found near the center of eukaryotic cells. Its importance lies in its function as a storage site for DNA, our genetic material.
A monorail is a railway in which the track consists of a single rail. The term is also used to describe the beam of the system, or the vehicles traveling on such a beam or track.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: elevated railway, elevated railroad, elevated, el, overhead railway (adj). a railway that is powered by electricity and that runs on a track that is raised above the street level. elevated (adj). raised above the ground. an elevated platform.