southpole
southpole — noun
1. the point on Earth that is farthest south, located in Antarctica at ninety degre
the point on Earth that is farthest south, located in Antarctica at ninety degrees south latitude, where all lines of longitude meet
Roald Amundsen and his team were the first people to reach the South Pole in 1911.
proper noun with 'the': reach the South Pole
Temperatures at the South Pole can drop below minus sixty degrees Celsius in winter.
The South Pole research station studies climate change and the movement of ice.
Cyrus dreams of joining a scientific expedition to the South Pole one day.
The South Pole sits on a vast ice sheet nearly three kilometers thick.
- geographic South Pole
fully explicit term used to distinguish from magnetic or celestial poles
- North Pole
the northernmost point on Earth, at latitude 90°N
文法句型
usually preceded by 'the'
用法筆記
Often capitalized as 'South Pole' in formal and academic writing. The term usually appears with the definite article 'the'.
常見錯誤
2. the fixed point in the southern sky directly above the Earth's South Pole, aroun
the fixed point in the southern sky directly above the Earth's South Pole, around which the stars of the Southern Hemisphere appear to rotate overnight
Unlike the North Star, no bright star marks the position of the south celestial pole.
distinction: has no bright marker star unlike Polaris in the north
Astronomers use the south celestial pole as a fixed reference point for their telescopes.
astronomical usage: south celestial pole as reference point
The Southern Cross constellation helps navigators locate the direction of the south celestial pole.
Talia learned to find the south celestial pole using the stars of the Octans constellation.
Eleni aligned her telescope with the south celestial pole before the night's observations.
- south celestial pole
the standard full term in astronomy
- southern celestial pole
alternative wording with the same meaning
- north celestial pole
the equivalent point in the northern sky, marked by Polaris
文法句型
usually preceded by 'the'
often modified by 'celestial'
用法筆記
Distinguish from sense 1: the south celestial pole is a point in the sky, not on the Earth's surface. Often called 'south celestial pole' or 'southern celestial pole' in astronomy texts.
常見錯誤
3. the end of a magnet or the tip of a compass needle that points toward the geogra
the end of a magnet or the tip of a compass needle that points toward the geographic south when the object is allowed to swing freely
The south pole of a compass needle is actually attracted to the Earth's magnetic north.
physics fact: a compass's south pole points toward Earth's magnetic north pole
Daichi showed the class how a magnet's south pole pulls toward another's north pole.
A bar magnet hung from a string turns so its south pole faces south.
Ritu checked her compass's south pole pointed south before the hike.
A simple experiment shows two south poles repel each other while opposite poles attract.
- south-seeking pole
the precise technical term in physics, avoiding ambiguity
- S-pole
abbreviated notation used in diagrams and physics equations
- north pole
the opposite end of a magnet, which points toward geographic north
文法句型
usually follows 'the ... of' (e.g. 'the south pole of a magnet')
用法筆記
Not to be confused with the geographic South Pole (sense 1). A magnet's south-seeking pole is technically attracted to the Earth's magnetic north pole, which lies near the geographic north. Always used with 'of' to specify which object's pole (e.g., 'the south pole of a compass').