déposition

The French word "déposition" has several meanings depending on the context, mainly in legal and scientific fields:

1. Legal meaning:
   A déposition is a formal statement or testimony given by a witness under oath, typically recorded for use in court proceedings. In this sense, it refers to the act of giving evidence or the written record of that testimony.

2. Scientific meaning (chemistry/physics):
   In scientific contexts, déposition refers to the process by which a substance is deposited or settles out from a solution, a gas, or an atmosphere onto a surface. For example, "déposition de particules" (particle deposition).

3. Other uses:
   Déposition can also mean the act of removing someone from a position of power (like deposition of a king or president) in political or historical contexts.

Synonyms and differences:

• Témoignage: Means "testimony," generally a witness sharing what they know or experienced. A déposition is a type of témoignage, but témoignage can be informal or oral, while déposition is formal and usually written or recorded under oath.
• Procès-verbal: This is a formal report or official record of what happened or was said, sometimes closely related but distinguishes by format and usage.
• Preuve: Means "proof" or "evidence," broader than déposition, which refers specifically to statements within evidence.
• Sédimentation / précipitation: Scientific synonyms in deposition context, but focus on specific chemical or geological processes.

In summary, the meaning of "déposition" depends on context—whether legal testimony, scientific sedimentation, or political removal—making it a versatile term.