de·po·si·tion /ˌdɛpəˈzɪʃən, ˌdipə-/
 沈積作用,沈積物
 de·po·si·tion /ˌdɛpəˈzɪʃən, ˌdɪpə-/ 名詞
 沉積,沉著,沉積作用,沉著作用,沉澱物,沉積物
 deposition
 沉積
 Dep·o·si·tion n.
 1. The act of depositing or deposing; the act of laying down or thrown down; precipitation.
    The deposition of rough sand and rolled pebbles.   --H. Miller.
 2. The act of bringing before the mind; presentation.
    The influence of princes upon the dispositions of their courts needs not the deposition of their examples, since it hath the authority of a known principle.   --W. Montagu.
 3. The act of setting aside a sovereign or a public officer; deprivation of authority and dignity; displacement; removal.
 Note: ☞ A deposition differs from an abdication, an abdication being voluntary, and a deposition compulsory.
 4. That which is deposited; matter laid or thrown down; sediment; alluvial matter; as, banks are sometimes depositions of alluvial matter.
 5. An opinion, example, or statement, laid down or asserted; a declaration.
 6. Law The act of laying down one's testimony in writing; also, testimony laid or taken down in writing, under oath or affirmation, before some competent officer, and in reply to interrogatories and cross-interrogatories.
 Syn: -- Deposition, Affidavit.
 Usage: Affidavit is the wider term. It denotes any authorized ex parte written statement of a person, sworn to or affirmed before some competent magistrate. It is made without cross-examination, and requires no notice to an opposing party. It is generally signed by the party making it, and may be drawn up by himself or any other person. A deposition is the written testimony of a witness, taken down in due form of law, and sworn to or affirmed by the deponent. It must be taken before some authorized magistrate, and upon a prescribed or reasonable notice to the opposing party, that may attend and cross-examine. It is generally written down from the mouth of the witness by the magistrate, or some person for him, and in his presence.
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 deposition
      n 1: the natural process of laying down a deposit of something
           [syn: deposit]
      2: (law) a pretrial interrogation of a witness; usually done in
         a lawyer's office
      3: the act of putting something somewhere [syn: deposit]
      4: the act of deposing someone; removing a powerful person from
         a position or office [syn: dethronement]