The absolute magnitude M, of a star or astronomical object is defined as the apparent magnitude it would have as seen from a distance of 10 parsecs (about 32.6 light years). The absolute magnitude of the Sun is 4.83 in the V band (yellow) and 5.48 in the B band (blue).
For example: The word vocabulary is derived from the Latin root wordâvocâ, which means 'word' or 'name'. Other words like advocacy, vocal and vociferous are also derived from the same root word. Hence, if you can recognize some root words, you will get a fair idea of many derived words.
English words of Greek origin. The Greek language has contributed to the English vocabulary in five main ways: vernacular borrowings, transmitted orally through Vulgar Latin directly into Old English, e.g., 'butter' (Old English butere from Latin butyrum < Î²Î¿ÏÏÏÏÎ¿Î½), or through French, e.g., 'ochre'.