Reading Theme:
Planet Definition, Examples & Usage Guide (2 meaning)
Meaning 1：planet (planet)
planet
/ˈplænɪt/
n.
A large, round object in space that orbits a star and does not produce its own light.
planet
➕
/ˈplænɪt/
n.
A large celestial body that orbits a star, is spherical due to its own gravity, and does not produce light by fusion.
📘 Details & Usage
📖 Root Explanation
From Greek 'planētēs' meaning 'wanderer', because ancient astronomers saw these stars moving differently.
💡 Mnemonic
Imagine 'Plan it' as planning a journey to a distant world—each planet is a destination in space.
📖 Example
Through the powerful telescope, I could clearly see the red surface of the planet Mars.
Through the powerful telescope, I could clearly see the red surface of the planet Mars.
🔗 Collocations
dwarf planet – A small celestial body that orbits the sun but has not cleared its orbital neighborhood, e.g., Pluto.
planet Earth – The third planet from the sun, our home world.
gas giant planet – A large planet composed mostly of hydrogen and helium, like Jupiter or Saturn.
🔄 Synonyms
celestial body (n.) – Any natural object in space, including planets, stars, moons, etc.
world (n.) – Often used to refer to a planet, especially one that could harbor life.
orb (n.) – A spherical celestial object, especially a planet or star.
🚫 Antonyms
🌱 Derivatives
planetary (adj.) – Relating to or belonging to a planet.
planetarium (n.) – A theater where images of stars and planets are projected onto a dome.
exoplanet (n.) – A planet that orbits a star outside our solar system.
📖 Cultural Story
The term originated with the Greeks who observed that certain stars wandered across the sky relative to fixed stars, a concept later refined by Copernicus.
Meaning 2：influential figure (planet)
planet
/ˈplænɪt/
n.
A very important person, place, or thing in a particular field, like it is the center of its own world.
influential figure
➕
/ɪnfluˈɛnʃəl ˈfɪɡjər/
n.
A person, place, or thing that is so central or powerful in a particular field that everything else seems to revolve around it.
📘 Details & Usage
📖 Example
In the world of social media, he's a planet with millions of followers orbiting his every post.
In the world of social media, he's a planet with millions of followers orbiting his every post.
🔗 Collocations
cultural planet – An entity (e.g., a museum, festival, or artist) that dominates the cultural landscape.
financial planet – A major financial hub or corporation that drives the global economy.
media planet – A news outlet or personality that attracts massive public attention.
🔄 Synonyms
giant (n.) – A person or organization of exceptional importance or influence.
powerhouse (n.) – A person or thing with great energy, influence, or capability.
colossus (n.) – A person or thing of immense size or influence, often in a particular field.
🚫 Antonyms
🌱 Derivatives
planet-like (adj.) – Resembling a planet in terms of dominance or centrality.
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