authenticate
UK/ɒ:'θentikeit/US
TOEFLC1
Definitions
v.
To prove or confirm that something is genuine, true, or valid.
证明……真实；鉴定，验证。
v.
(Computing) To verify the identity of a user before granting access.
（计算机）验证（用户）身份，认证。
Root Breakdown
Root-derivedauthenticroot
+
-aterelating to, of the nature of (adjective-forming suffix)
=authenticate
authentic (genuine, from Greek authentikos) + -ate (to make/treat as) = to establish that something is authentic. In computing it shifted to 'confirm who someone is' — proving a user is the genuine account holder.
Common Collocations
- 1.authenticate a document鉴定文件
- 2.authenticate users验证用户身份
- 3.authenticate the signature鉴定签名
Example Sentences
- 1.
A specialist was hired to authenticate the painting.
- 2.
You must authenticate with a password before logging in.
- 3.
The signature was authenticated by a handwriting expert.