verifier

verifier — noun

1. a person whose job or role is to examine information, documents, processes, or p

1.名詞B2
釋義

a person whose job or role is to examine information, documents, processes, or products to confirm that they are correct, true, or meet official standards.

例句

Sofia works as a verifier for an insurance company and checks every claim before payment.

verifier + for + [organisation] — role pattern

The election commission appointed an independent verifier to confirm the vote count.

independent verifier — collocation

同義詞
  • inspector

    more common for physical checks (factories, buildings); less formal than 'verifier'

  • auditor

    specifically financial or procedural checks; implies systematic review

  • examiner

    broader term; used in education and legal contexts

文法句型

verifier + of + noun phrase

用法筆記

Often used in professional titles and formal contexts. Frequently modified by adjectives such as 'independent', 'external', 'certified', or 'appointed'.

常見錯誤

❌She is a verifier of many things.
✅She works as a verifier for the health department.
💡'verifier' is a specific role; describe the context rather than leaving it vague.
❌The verifier said the numbers are wrong.
✅The external verifier identified three errors in the financial report.
💡add the modifier 'external' or similar when the verifier's independence is relevant.

2. a piece of information, a document, or an object that serves as evidence that so

2.名詞C1
釋義

a piece of information, a document, or an object that serves as evidence that something is true, real, or correct; anything that confirms a claim or statement.

例句

The handwritten receipt from the farmers' market served as a verifier that Mei had paid for the vegetables.

verifier that + [clause] / served as a verifier — pattern

Fatima presented her passport as a verifier of her identity at the bank.

同義詞
  • proof

    much more common; 'verifier' is more formal and less frequent

  • evidence

    broader in meaning; can refer to indirect or circumstantial material

  • confirmation

    focuses on the act of confirming rather than the object itself

文法句型

verifier + of + noun phrase

用法筆記

This sense is more abstract than sense 1. The verifier here is an object or document, not a person. Common in legal and formal written English. Frequently appears with the verbs 'serve as', 'act as', or 'provide'.

常見錯誤

❌The receipt is a verifier that she paid.
✅The receipt serves as a verifier of her payment.
💡use 'serve as a verifier of' rather than 'is a verifier that'.
❌This letter is a verifier.
✅This letter serves as a verifier of the bank's approval.
💡specify what the verifier confirms using 'of + noun phrase'.

3. a device or electronic system that compares recorded data — from punched cards,

3.名詞C1
釋義

a device or electronic system that compares recorded data — from punched cards, magnetic tape, or digital files — against the original source to confirm the data is accurate and free of copying errors.

例句

The technician fed punched cards into a verifier that compared hole patterns against the original sheet and flagged mismatches.

verifier + compare + against + flag — describes the checking mechanism

Ahmed installed a new tape verifier that highlights magnetic recording errors by comparing the copy against the original source tape.

tape verifier + highlights + by comparing — mechanism description

同義詞
  • validator

    more common in modern computing; broader scope

  • checker

    less technical; used for simpler comparison tasks

文法句型

verifier + for + [data type]

用法筆記

Historically referred to physical machines for punched cards and magnetic tape. In modern usage it may also describe software-based validation tools. This sense is technical and typically appears in computing, data processing, or archival contexts.