gravitation
B2Pronunciation
UK
- /ɡrˌævɪtˈeɪʃən/
US
- /ˌɡrævɪˈteɪʃən/
Description
- pull
- attraction
- force of gravity
Gravitation isn't just about apples falling on heads (though that is a famous example!). It's the universal force that draws any two objects with mass towards each other. The bigger the objects, and the closer they are, the stronger the gravitation between them. Think of it as nature's way of bringing things together - from keeping your feet firmly on the ground to holding planets in orbit around the sun. It's a fundamental force shaping the universe!
Imagine tossing a ball into the air. Gravitation is what pulls it back down. Now imagine Earth and the moon. They pull on each other, and that's why they move around each other in space. Sir Isaac Newton famously described this force with his Law of Universal Gravitation, explaining how it works mathematically. While we often use "gravity" as a shorthand, "gravitation" is the more formal scientific term.
Gravitation is the fundamental force of attraction that exists between any two objects possessing mass or energy. It's one of the four known fundamental forces in nature (along with electromagnetism, the strong nuclear force, and the weak nuclear force), and it's responsible for a vast range of phenomena throughout the universe.
While often used interchangeably with "gravity," gravitation is the broader term, referring to the attraction itself between masses. Gravity often refers to the effect of this attraction near a massive body like a planet or star. Newton's Law of Universal Gravitation describes this force mathematically: the strength of the gravitational pull increases with mass and decreases with distance.
This force isn't just about things falling down. It governs the orbits of planets around stars, the formation of galaxies, and even the tides on Earth (caused by the gravitation of the moon and sun). Einstein's theory of General Relativity provides a more complex understanding of gravitation, describing it not as a simple force but as a curvature in spacetime caused by mass and energy.
You might hear "gravitation" used in scientific contexts when discussing astrophysics, cosmology, or physics. For example: "Scientists are studying the gravitational waves emitted by colliding black holes." Or, "The spacecraft's trajectory was carefully calculated to account for the gravitation of Jupiter." It's a force that shapes not only our everyday experiences but also the very structure and evolution of the cosmos.
Examples
- 1
Planetary motion
Gravitation keeps the planets in orbit around the sun.
- 2
Physics class
Newton's law of gravitation is still taught in physics classes.
Phrase
the law of gravitation
the scientific rule about how objects pull each other
- 3
Workplace trend
In recent years, there has been a clear gravitation toward remote work.
Pattern
gravitation toward + thing
a gradual attraction or movement toward it
- 4
Personal preference
As he got older, he felt a gravitation toward quieter places and routines.
Forms and spellings
1 form open this card.
Main spelling
- gravitationnoun