English to English Dictionary

Atoll

A ring-shaped coral reef, island, or series of islets that encircle a lagoon partially or completely.

Atom

The basic unit of a chemical element, consisting of a dense central nucleus surrounded by a cloud of negatively charged electrons.

Atomic

Relating to an atom or atoms, or forming the basic unit of a chemical element.

Atomic Fabrication

The manufacturing or assembly of structures, devices, and materials with exact positioning of individual atoms and molecules.

Atomic Particle

A minute portion of matter, typically referring to subatomic particles such as protons, neutrons, and electrons.

Atomizer

A device used for emitting a liquid, such as perfume, medicine, or water, as a fine spray.

Atonal

Not written in any key or mode; lacking a tonal center or specific key signature in music.

Atone

To make amends or reparation for an offense or crime.

Atonement

Reparation for a wrong or injury.

Atraumatic

Designed to prevent or avoid injury or tissue damage during medical procedures.

Atrium

An open-roofed entrance hall or central court in an ancient Roman house.

Atrium-Lobby

A large open space in a building, typically located near the entrance, often featuring seating and decorative elements.