Reading Theme:
Equator Definition, Usage, and Key Facts
Meaning 1：the imaginary midline (equator)
equator
/ɪˈkweɪtə(r)/
n.
An imaginary line around the middle of the Earth, equally distant from the North and South Poles. It divides the globe into two halves.
the imaginary midline
➕
/ðiː ɪˈmædʒɪnəri ˈmɪdlaɪn/
n.
The imaginary line that encircles the Earth at its widest point, equidistant from both the North and South Poles, dividing the planet into the Northern and Southern Hemispheres.
📘 Details & Usage
📖 Root Explanation
Derived from Latin 'aequare', meaning 'to make equal'.
💡 Mnemonic
Imagine the Earth wearing a belt. The EQUAtor makes things EQUAl on both sides.
📖 Example
When I visited Ecuador, a country whose name literally means "equator," I stood with one foot in the Northern Hemisphere and the other in the Southern. The equator is marked by a large monument there.
The country Ecuador's name comes from the word equator, and you can visit a monument there that marks this special geographic line.
🔗 Collocations
celestial equator – the imaginary projection of the Earth's equator into space
magnetic equator – a line where the Earth's magnetic field is horizontal
equatorial region – the area of the Earth near the equator
🔄 Synonyms
midline (n.) – a line that divides something into two equal halves.
centerline (n.) – a real or imaginary line that marks the center of something.
🌱 Derivatives
equatorial (adj.) – of, relating to, or near the equator
📖 Cultural Story
The word originates from Medieval Latin 'aequator', literally 'equalizer', as it was conceived as the line that equalizes day and night or divides the Earth into equal halves.
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