English Reference

Word

scale

US/ˈskeɪɫ/

UK/skˈeɪl/

Definitions

01weighing machine

A2 · Elementary Countable noun

n. a device used to measure how heavy something or someone is.

n. an instrument or machine used to measure weight or mass. Often used in the plural form 'scales' to refer to a single device.

“She stepped on the bathroom scale to check her weight before breakfast.”

“The laboratory technician calibrated the digital scale to ensure the chemical measurements were accurate to the milligram.”

Pitfall

I stepped on the scale to see my weights.

I stepped on the scale to see my weight.

Use the singular 'weight' for the measurement of a person, even if the device is called 'the scales'.

Synonyms

balanceweighing machine

02size or scope

B1 · Intermediate Uncountable noun

n. the size, level, or importance of something, especially when it is large.

n. the relative size, extent, or degree of something. Often used in the phrase 'on a large scale'.

“The company began producing the new phone on a massive scale.”

“The humanitarian crisis was on such a vast scale that local authorities were quickly overwhelmed by the number of refugees.”

03measurement system

B1 · Intermediate Countable noun

n. a set of numbers or levels used to measure or compare things.

n. a graduated series of steps or values used for measurement or classification.

“On a scale of one to ten, how much does your head hurt?”

“The Richter scale provides a logarithmic measure of the total energy released during an earthquake.”

Synonyms

systemrankinggradation

04map ratio

B2 · Upper Intermediate Uncountable noun

n. the relationship between the size of a map and the real area it shows.

n. the ratio of the distance on a map or drawing to the corresponding distance in the real world.

“The map has a scale of one centimetre to one kilometre.”

“Without a clear scale on the architectural drawing, it was impossible to determine the actual dimensions of the living room.”

Synonyms

05Music

B1 · Intermediate Countable noun Music

n. a series of musical notes that go up or down in order.

n. a sequence of notes arranged in ascending or descending order of pitch, typically spanning an octave.

“The piano student practised her major scales for an hour every day.”

“The composer utilised a pentatonic scale to give the melody a distinct folk-like quality.”

06animal skin

B2 · Upper Intermediate Countable noun Science

n. one of the small, flat, hard pieces that cover the skin of fish and snakes.

n. one of the many small, overlapping rigid plates forming the protective outer covering of fish and reptiles.

“The fish had shiny silver scales that caught the light.”

“Biologists can often determine the age of certain fish species by examining the growth rings on their scales.”

Synonyms

07to climb

B2 · Upper Intermediate Literary

v. to climb up to the top of something very high and steep.

v. to climb up or over something high, steep, or difficult to reach. Transitive use.

“The mountain climbers managed to scale the cliff before dark.”

“The soldiers used ladders to scale the castle walls during the midnight raid.”

Synonyms

Antonyms

08to adjust size

C1 · Advanced Computing Technical

v. to change the size of something so it stays in the right proportion.

v. to adjust the size or capacity of a system or object proportionally. Often used in computing regarding performance.

“You can scale the image down so it fits on the page.”

“The cloud infrastructure was designed to scale automatically as user traffic increased during peak hours.”

Usage

Often used with 'up' or 'down' as a phrasal verb.

Synonyms

resizeadjust

Collocations

Common phrases and expressions where native English speakers use the word “scale” in context.

Verb

01. use scale

“You should use a digital scale to get an accurate measurement of the ingredients.”

verb + noun

Adjective

02. complete scale

“The pianist practiced the complete scale in every key to improve her finger dexterity.”

adj + noun

03. global scale

“Pollution is a serious problem that needs to be addressed on a global scale.”

adj + noun

Noun

04. depression scale

“Doctors often use a standardized depression scale to assess a patient's mental health.”

noun + noun

Real-World Examples

“The state was last hit by a "major" hurricane—meaning Category 3, 4 or 5 on the Saffir-Simpson scale—in 1992, when Hurricane Iniki caused at least six deaths and billions of dollars in damage.”
Phys.org 15 Aug 2026
“The scale of the war in Sudan is hard to take in.”
Sky News 12 Aug 2026
“An operation that must be babysat from 239,000 miles (384,000 kilometers) away will not easily scale into a market.”
Phys.org 15 Aug 2026

Etymology

From Middle English scale, from Latin scāla, usually in plural scālae (“a flight of steps, stairs, staircase, ladder”), for *skand-slā, from scandō (“to climb”); see scan, ascend, descend, etc. Doublet of scala.

From Middle English scale, from Old French escale, from Frankish and/or Old High German skala, from Proto-Germanic *skalō. Cognate with Old English sċealu (“shell, husk”), whence the modern doublet shale. Further cognate with Dutch schaal, German Schale, French écale.

Inherited from Northern Middle English scale (non-Northern scole), from Old Norse skál (“bowl”) from Proto-Germanic *skēlō. Compare Danish skål (“bowl, cup”), Dutch schaal, German Schale, Old High German scāla, Old English scealu (“cup”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

Related words

Idioms

Domains

ComputingMusic

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Very common
Level
B2 · Upper IntermediateOxford
Updated

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