English dictionary · noun

astronomy

the scientific study of celestial objects and the universe

Meaning and definitions

1. the scientific study of celestial objects and the universe

Connected roots

• astr-

  star

• -nomy

  law, custom, management

Explore the word family

These words share a recorded root connection. A shared root is a learning clue; it does not establish every step in a word’s history.

• economy

  Effective management of a community or system, or especially its resources.

• autonomy

  the right or condition of self-government

• astronaut

  a person trained to travel in a spacecraft

• asteroid

  A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.

• astrology

  Divination about human affairs or natural phenomena from the relative positions of celestial bodies.

• taxonomy

  The science, technique, or process used to make a classification.

• ergonomic

  Of or relating to the science of ergonomics.

• gastronomy

  The art of preparing and eating good food.

• agronomy

  The science of utilizing plants, animals and soils for food, fuel, feed, fiber, etc.

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