Meaning & Definition of word "Astronaut"

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    Astronaut

    /ˈæs.trə.nɔːt/

    noun:

    • 1. A person trained to travel in a spacecraft and conduct space missions.
      • Example: The astronaut prepared for launch by undergoing extensive training.
    • 2. An individual who participates in space exploration, especially missions involving travel beyond Earth's atmosphere.
      • Example: She always dreamed of becoming an astronaut since she was a child.
    • 3. A member of a space crew who operates the spacecraft and performs scientific experiments in space.
      • Example: The astronaut conducted experiments aboard the International Space Station.
    • 4. A person who has traveled in outer space.
      • Example: He was celebrated as a hero after returning from his journey as an astronaut.

    Etymology

    From the Greek words 'astro-' meaning 'star' and 'nautes' meaning 'sailor'.

    Common Phrases and Expressions

    moonwalk:

    A term often used to describe astronauts walking on the moon.

    spacewalk:

    Referring to an activity in which astronauts leave their spacecraft to work in space.

    zero gravity:

    A condition in space where no gravitational force is felt.

    launch pad:

    The area from which a spacecraft is launched.

    Related Words

    spaceship:

    A vehicle designed for travel or operation in outer space.

    mission control:

    The team responsible for monitoring and managing space missions.

    payload:

    The cargo carried by a spacecraft, including astronauts and equipment.

    Slang Meanings of astronaut

    Meaning: Space jockey

    Example Sentence: He's a real space jockey, always dreaming of flying to Mars.

    Meaning: Stargazer

    Example Sentence: Ever since he was a kid, he's been a stargazer, hoping to become an astronaut.