English to English Dictionary

Astrobiology

The branch of biology concerned with the study of life in the universe, including the origins, evolution, distribution, and future of life on Earth and beyond.

Astrochemistry

The branch of chemistry that deals with the chemical composition and processes of celestial bodies and the universe.

Astrology

The study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world.

Astronomer

A person who studies celestial bodies, such as stars, planets, comets, and galaxies.

Astronomical Event

A significant occurrence in the field of astronomy, such as a solar eclipse, meteor shower, or planetary alignment.

Astronomical object

Any celestial body or entity that exists in space, such as stars, planets, comets, and galaxies.

Astronomy

The branch of science which deals with celestial objects, space, and the physical universe as a whole.

Asylum

The protection granted by a nation to someone who has left their native country as a political refugee.

At Once

Immediately; without delay.

At all costs

Regardless of the expense, difficulty, sacrifice, or consequences involved.

At length

After a long time; eventually or finally.

Atelier

A workshop or studio, especially one used by an artist or designer.