How Do You Spell VARIATION OF THE COMPASS?

Pronunciation: [vˌe͡əɹɪˈe͡ɪʃən ɒvðə kˈʌmpəs] (IPA)

The variation of the compass refers to the difference between magnetic north and true north on a compass dial. The spelling of this phrase can be explained using the International Phonetic Alphabet (IPA): /vɛːɹɪˈeɪʃən əv ðə ˈkʌmpəs/. The phonetic transcription of this phrase shows that the stress is placed on the second syllable of "variation" and the first syllable of "compass". The use of the schwa sound in the unstressed syllables helps to maintain the flow and rhythm of the phrase.

VARIATION OF THE COMPASS Meaning and Definition

1. Variation of the compass is a term commonly used in the field of navigation and cartography. It refers to the angular difference between true north and magnetic north at a specific location on the Earth's surface. True north represents the geographic North Pole, while magnetic north indicates the direction to the magnetic North Pole.

   The Earth's magnetic field is not completely aligned with its geographic axis due to complex interactions between the planet's core and surrounding materials. Therefore, the magnetic field lines deviate from the geographic meridians at different locations on the Earth's surface. This discrepancy creates what is known as the variation of the compass.

   Variation of the compass is essential for accurate navigation using a magnetic compass. Nautical charts and maps generally indicate the value of variation for specific areas. Mariners and explorers must take this angle into account to properly align their compass readings with true north and ensure precise course plotting.

   The variation of the compass is not constant and can gradually change over time. Therefore, it is important to consult updated charts or use electronic navigational systems that automatically display the correct variation information in order to ensure accurate and reliable navigation.

2. The angle which the varying position of the magnetic needle makes with the geographical meridian.

   Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

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