POLARIS Definition & Meaning

Polaris

[ poh-lair-is, -lar-, puh- ]

Phonetic (Standard)IPA

noun

Astronomy. the polestar or North Star, a star of the second magnitude situated close to the north pole of the heavens, in the constellation Ursa Minor: the outermost star in the handle of the Little Dipper.
a two-stage U.S. ballistic missile, usually fired from a submerged submarine.

Polaris

/ ��əˈ��ɑː��ɪ�� /

noun

Also calledthe Pole Starthe North Star the brightest star in the constellation Ursa Minor, situated slightly less than 1° from the north celestial pole. It is a Cepheid variable, with a period of four days. Visual magnitude: 2.08–2.17; spectral type: F8Ib
1. a type of US two-stage intermediate-range ballistic missile, usually fired by a submerged submarine
2. ( as modifier )
  a Polaris submarine

Polaris

/ ��ə-��ă��′ĭ�� /

A bright star at the end of the handle of the Little Dipper in the constellation Ursa Minor. Polaris is 1° from the north celestial pole, and it remains in the same location in the sky all year, making it a useful navigation tool. Polaris is actually a double star with a faint companion star and has an apparent magnitude of 2.04. Also called North Star. Scientific name: Alpha Ursae Minoris.

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�y��vlog History and Origins

Origin of Polaris¹

1955–60; short for Medieval Latin stella polāris polar star

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�y��vlog History and Origins

Origin of Polaris¹

shortened from Medieval Latin stella polāris polar star

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Example Sentences

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Delta One and United’s premium offering Polaris are signs that U.S. airlines are catching up with their own premium products, Syth said, which also reflects a growing demand.

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Several months later, SpaceX's Polaris Dawn crew returned to Earth after five days in orbit, following a historic mission featuring the world's first commercial spacewalk.

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According to the Polaris Project, a nonprofit organization combating sex trafficking, nearly 9,000 victims of sex trafficking identified hotels as the places where it occurred.

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Last Thursday, astronauts on the Polaris Dawn mission completed a record-setting spacewalk.

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Mr Stone will fight at the Polaris 30 event in London on 2 November to raise money for Swindon charity The Kelly Foundation.

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