tester

B1 Topic:Tools, Machines & Construction

US /ˈtɛstəɹ/ UK /ˈtɛstə/ See IPA manual

Freq #29799

Meanings

1

noun
a device or instrument used to test the quality, operation, or properties of something

The electrician touched a voltage tester to the wire.
2

noun
a person who tests products, systems, or people's abilities

Each software tester recorded the steps that triggered the error.
3

noun
a flat canopy over a bed, throne, pulpit, or similar structure; historical

Dust gathered in the corners of the tester above the bed.

Thesaurus

Synonyms

1 noun · a device or instrument used... testing devicetest instrumentgauge

2 noun · a person who tests... examinerevaluatorassessor

3 noun · a flat canopy over a bed,... canopysoundboard

Word family

Derived forms testered

Related forms test testingtest equipmentfour-poster bed

Etymology

The testing senses are formed from test + the agent suffix -er. The canopy sense is a separate, older word from Middle English tester, through Old French testre and Medieval Latin testura, related to a word for the head; the canopy originally covered the head of a bed.

Topics

Tools, Machines & Construction

External links

# tester

**Type:** Word
**Level:** B1
**Part of speech:** noun
**IPA (US):** /ˈtɛstəɹ/
**IPA (UK):** /ˈtɛstə/
**Frequency rank:** 29799

## Meanings
1. a device or instrument used to test the quality, operation, or properties of something
2. a person who tests products, systems, or people's abilities
3. a flat canopy over a bed, throne, pulpit, or similar structure; historical

## Examples
- The electrician touched a voltage tester to the wire.
- Each software tester recorded the steps that triggered the error.
- Dust gathered in the corners of the tester above the bed.

## Synonyms
- testing device
- test instrument
- examiner
- evaluator
- canopy

## Derived Forms
- testered

## Related Forms
- test
- testing
- test equipment
- four-poster bed

## Etymology
The testing senses are formed from test + the agent suffix -er. The canopy sense is a separate, older word from Middle English tester, through Old French testre and Medieval Latin testura, related to a word for the head; the canopy originally covered the head of a bed.

## Topics
- Tools, Machines & Construction

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