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noun Uncommon

trajectory

truh-JEHK-tuh-ree

Trajectory (noun) means the curved path an object follows as it moves through space. Example: “Scientists calculated the rocket's trajectory into orbit.”

noun
1
The curved path an object follows as it moves through space.
"Scientists calculated the rocket's trajectory into orbit."
"The ball's trajectory carried it just over the fence."
2
The general direction or course something takes over time, such as a career or a situation.
"Her career trajectory has been remarkable since graduating."

How to use trajectory

Learner’s notes

In plain EnglishThe path something follows, whether physically through the air or figuratively over time.

Common pairings
upward trajectory flight trajectory career trajectory

Word forms

trajectories plural

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Scientists calculated the rocket's _____ into orbit.

Etymology

From New Latin trāiectōria, coined from Latin trāiectus ("thrown across"), from trans- ("across") + iaciō ("to throw").

Origin: New Latin

path course arc flight path

Related words

Rhymes for trajectory

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Frequently asked questions

What does “trajectory” mean?

The word “trajectory” means the curved path an object follows as it moves through space. In plain terms, the path something follows, whether physically through the air or figuratively over time.

How do you pronounce “trajectory”?

“Trajectory” is pronounced truh-JEHK-tuh-ree (/tɹəˈd͡ʒɛktəɹi/ in IPA).

How do you use “trajectory” in a sentence?

Here is “trajectory” used in a sentence: “Scientists calculated the rocket's trajectory into orbit.”

What part of speech is “trajectory”?

“Trajectory” is a noun.

Where does the word “trajectory” come from?

The word “trajectory” comes from New Latin. From New Latin trāiectōria, coined from Latin trāiectus ("thrown across"), from trans- ("across") + iaciō ("to throw").

Is “trajectory” a common word?

“Trajectory” is an uncommon word in modern English.

How many meanings does “trajectory” have?

“Trajectory” has 2 distinct senses listed in this dictionary. The most common is: the curved path an object follows as it moves through space.

What is the difference between trajectory and path?

A trajectory specifically refers to the curved path an object follows as it moves through space, often implying the influence of forces like gravity. A path is a more general term for any route taken, whether curved, straight, or irregular.

How is trajectory used figuratively?

Figuratively, trajectory refers to the general direction or course something takes over time, such as a person's career trajectory or the trajectory of a situation, describing its overall progression rather than a physical path.

In what fields is trajectory a technical term?

Trajectory is a technical term commonly used in physics, ballistics, and aerospace to describe the precise curved path of a moving object, such as a projectile or spacecraft.

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Definitions: FreeDict original editorial