Is a 'visibility meter' the same as a 'weather station'?

No. A visibility meter is a single, specific instrument that measures visibility distance. A weather station is a collection of many instruments that measure various atmospheric parameters like temperature, humidity, wind, and pressure. A visibility meter can be part of a weather station.

Can I use 'visibility meter' in everyday English?

It would sound highly technical and unusual. In everyday speech, you would describe the condition (e.g., 'The fog is so thick you can only see 50 metres') rather than mention the measuring device.

What units does a visibility meter use?

Typically metres (m) or kilometres (km) in most of the world, and statute miles (mi) or feet (ft) in the United States for aviation purposes.

What's the difference between a 'transmissometer' and a 'visibility meter'?

A transmissometer is a specific type of visibility meter that measures the percentage of light transmitted over a fixed baseline path. 'Visibility meter' is a broader term that can also include forward-scatter sensors, which are more common today.

visibility meter

Low (Specialised Technical Term)

UK/ˌvɪz.əˈbɪl.ə.ti ˌmiː.tə(r)/US/ˌvɪz.əˈbɪl.ə.t̬i ˌmiː.t̬ɚ/

Technical / Professional

My Flashcards

Definition

Meaning

An instrument that measures the distance over which objects can be clearly seen through the atmosphere.

A device used to quantify atmospheric transparency, typically by detecting the scattering or absorption of light, critical for aviation, maritime, and meteorological safety and operations.

Linguistics

Semantic Notes

The term refers specifically to the device, not the concept it measures (which is 'visibility'). It is a compound noun (noun + noun).

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences; term is identical. British contexts may use 'metre' for spelling, but the compound typically retains 'meter' as part of the device name.

Connotations

Identical technical connotations in both dialects.

Frequency

Equally low frequency and confined to technical fields in both regions.

Vocabulary

Collocations

strong

runwayforward scattertransmissometermeteorologicalfogairportcalibrate

medium

automatedreadingsensorinstallreport

weak

digitalbrokencheckdata

Grammar

Valency Patterns

install a visibility meterthe visibility meter reads [distance]the visibility meter is located ataccording to the visibility meter

Vocabulary

Synonyms

Strong

atmometer (obsolete/rare)optical range finder (broader)

Neutral

visibility sensortransmissometer (specific type)forward scatter meter

Weak

fog detectorweather instrument

Vocabulary

Antonyms

(conceptual) invisibilityopacity meter (not standard)

Phrases

Idioms & Phrases

“None. The term is purely technical.”

Usage

Context Usage

Business

Rare; may appear in procurement or technical service contracts for airports or shipping.

Academic

Used in meteorology, aviation studies, and environmental science papers.

Everyday

Virtually never used. People would say 'visibility is low' or 'you can't see far'.

Technical

Primary domain. Used in aviation, maritime operations, and meteorological reporting and instrumentation.

Examples

By Part of Speech

verb

British English

The system visibility-meters the runway approach.
We need to visibility-meter the harbour entrance.

American English

The airport visibility-meters all critical pathways.
They plan to visibility-meter the coastal highway.

adverb

British English

(Not used as an adverb)

American English

(Not used as an adverb)

adjective

British English

The visibility-meter data is crucial.
A visibility-meter reading was taken.

American English

The visibility-meter reading indicated fog.
We reviewed the visibility-meter report.

Examples

By CEFR Level

The airport has a special machine. It tells them how far pilots can see.

When fog is thick, the visibility meter shows a very low number.

The pilot checked the visibility meter reading before deciding to take off.

Modern visibility meters use forward scatter technology to provide real-time data on atmospheric opacity for air traffic control.

Learning

Memory Aids

Mnemonic

Think of a METER that measures how far you can SEE (VISIBILITY), like a taxi meter measures distance travelled.

Conceptual Metaphor

SEEING IS MEASURING; The atmosphere is a filter whose density is quantified.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

Avoid direct calque 'видимости метр'. Use 'измеритель видимости' or specific term 'трансмиссометр'.
Do not confuse with 'light meter' ('экспонометр') or 'speedometer' ('спидометр').

Common Mistakes

Using it as a synonym for 'visibility' itself (e.g., 'The visibility meter is poor today').
Misspelling as 'visability meter'.
Treating it as a general weather term instead of a specific device.

Practice

Quiz

Fill in the gap

Air traffic controllers rely on the to determine if conditions are safe for landing.

Multiple Choice

In which context are you MOST likely to encounter the term 'visibility meter'?

FAQ

Frequently Asked Questions

: No. A visibility meter is a single, specific instrument that measures visibility distance. A weather station is a collection of many instruments that measure various atmospheric parameters like temperature, humidity, wind, and pressure. A visibility meter can be part of a weather station.
: It would sound highly technical and unusual. In everyday speech, you would describe the condition (e.g., 'The fog is so thick you can only see 50 metres') rather than mention the measuring device.
: Typically metres (m) or kilometres (km) in most of the world, and statute miles (mi) or feet (ft) in the United States for aviation purposes.
: A transmissometer is a specific type of visibility meter that measures the percentage of light transmitted over a fixed baseline path. 'Visibility meter' is a broader term that can also include forward-scatter sensors, which are more common today.