1. Quand les composants considérés sont des atomes, on parle de fraction atomique et de pourcentage atomique (noté % at).
2. [verb] (idiomatic) To make an embarrassingly desperate attempt to get someone's romantic attention.
3. [verb] To attempt (something); to try to do (something).
4. [verb] (UK) (slang) (transitive) To attack or start a fight with something or someone.
5. [verb] (transitive) (idiomatic) (archaic) to attack; to engage in combat with
6. [verb] (transitive) (idiomatic) to accuse or blame
7. [verb] (idiomatic) To attempt or try.
8. [verb] (idiomatic) To scold, to rebuke - often by yelling.
9. [verb] (idiomatic) To retaliate; to take revenge.
10. [verb] (dated) To make faces at (someone), to fun of (someone), to laugh at someone.
