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1. a sum of money placed or kept in a bank account, usually to gain interest.

(銀行への)預金, 預け入れ(↔ withdraw)

2. a sum payable as a first installment on the purchase of something or as a pledge for a contract, the balance being payable later

〖通例単数形で〗 «…の» 頭金, 手付け金, 内金(→ balance)

e.g. we've saved enough for a deposit on a house.

a returnable sum payable on the rental of something, to cover any possible loss or damage.

保証金, 敷金 «on»

3. a layer or body of accumulated matter:

(川･洪水などによる)堆積物; (液体の底の)沈殿物; (めっきによる)金属被覆

e.g. the deposits of salt on the chrome.

a natural layer of sand, rock, coal, or other material.

(金･鉱物などの)鉱床, 埋蔵物

4. the action of placing something in a specified place:

e.g. the deposit of a thesis in a library gives no guarantee of copyright protection

e.g. I'd like to make a deposit.

verb (deposits, depositing, deposited) with object

1. put or set down (something or someone) in a specific place, typically unceremoniously:

｟かたく/時におどけて｠ 【場所に】〈物〉を置く, 下ろす; 〈人〉を残す «on, in, by»

e.g. he deposited a pile of schoolbooks on the kitchen table.

(of water, the wind, or other natural agency) lay down (matter) gradually as a layer or covering:

〖通例be ～ed〗 (物の表面に)〈川の泥などが〉堆積する, 沈殿する

e.g. beds where salt is deposited by the tide.

lay (an egg):

〈鳥･魚･昆虫などが〉〈卵など〉を産み付ける

e.g. the female deposits a line of eggs.

2. store or entrust with someone for safekeeping.

(安全のため) 【場所に/人に】〈貴重品など〉を預ける «in, with/with»

pay (a sum of money) into a bank account:

【銀行に】〈金〉を預金する «in» (↔ withdraw)

e.g. the money is deposited with a bank.

pay (a sum) as a first installment or as a pledge for a contract:

(手付金･保証金として)〈金〉を支払う

e.g. I had to deposit 10% of the price of the house.

late 16th century (especially in the phrases in deposit or on deposit): from Latin depositum (noun), medieval Latin depositare (verb), both from Latin deposit- ‘laid aside’, from the verb deponere.