atomic

• Relatif à l'atome ou aux atomes ; également utilisé pour décrire quelque chose d'extrêmement petit ou puissant, comme dans le cas de l'énergie atomique.

Relating to an atom or atoms; also used to describe something extremely small or powerful, as in atomic energy.

1. Relating to atomsB2formalscientific

   Relating to or consisting of atoms, the basic units of matter.

   Relatif aux atomes

   • Atomic structure determines the properties of an element.
   • Scientists study atomic particles to understand matter.
   • The atomic weight of carbon is approximately 12.

   Synonymesatomistic

   Antonymesmolecularnuclearsubatomic

2. Nuclear energyB2formalscientific

   Relating to energy released by reactions involving atomic nuclei, such as fission or fusion.

   nucléaire (énergie)

   • Atomic power plants generate electricity using nuclear reactions.
   • The atomic bomb had devastating effects during the war.
   • Atomic energy is a controversial source of power.

   Synonymesnuclear

3. Extremely smallB1informal

   Used informally to describe something very tiny or minute.

   Extrêmement petit

   • The difference in price was atomic, barely noticeable.
   • He made an atomic adjustment to the machine's settings.
   • The error was atomic, but it caused a big problem.

   Synonymesinfinitesimalmicroscopicminusculeminutetiny