a few mm

USAGE SUMMARY

The phrase "a few mm" is correct and usable in written English.
It can be used when referring to a small measurement, typically in millimeters, in contexts such as engineering, design, or any situation where precise measurements are relevant. Example: "The gap between the two components should be adjusted to a few mm to ensure proper alignment."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The cold cathode electron gun produced an unfocused beam of a few mm in diameter.

Nature

Packed bed uses a layer of ferroelectric pellets of a few mm in diameter.

Catalysis Today

SDM and SZ stimulated root hairs and lateral root development a few mm behind the root tips.

Plant Physiology and Biochemistry

The most likely tracemaker for Dinocochlea was a capitellid polychaete ('threadworm') with a body just a few mm in diameter.

Proceedings of the Geologists' Association

Such 'iron oxide' deposits, known as takashikozo in Japan, form cylindrical nodules a few mm to some cm in diameter.

Physics and Chemistry of the Earth, Parts A-B-C

The aim of this paper is to investigate the fabrication and the properties (bulk and surface) of SiC substrates with large (0.1 to a few mm) grains.

Surface and Coatings Technology

However, for physically small cracks: here defined as less than a few mm in depth, such predictions are often far less accurate.

International Journal of Fatigue

The PCs perform 3D spatial point measurements for pattern recognition and longitudinal momentum reconstruction and provide spatial resolution of a few mm in both r φ and z.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

MicrOmega/IR illuminates and images samples a few mm in size and acquires the NIR spectrum of each resolved pixel in up to 320 contiguous spectral channels.

Planetary and Space Science

These probing systems typically comprise of a small stylus of only a few mm in length, with a spherical tip of around 100 μm in diameter or less.

Sensors and Actuators A: Physical

The micro pump consists of an electromagnetic actuator which moves a piston forward and backward (stroke 0 to a few mm).

IFAC Proceedings Volumes

Expert writing Tips

Best practice

When precision is crucial, specify the exact number of millimeters instead of using "a few mm". For example, use "3 mm" if the measurement is precisely three millimeters.

Common error

Avoid mixing units of measurement. If you're using millimeters, maintain consistency throughout the description instead of switching to inches or centimeters without proper conversion.

Linguistic Context

The phrase "a few mm" functions as a quantifier specifying a small, indefinite amount of millimeters. It modifies a noun by indicating a quantity that is more than one but not a large number. Ludwig provides examples where it defines dimensions, tolerances, or resolutions.

Expression frequency: Very common

Frequent in

Science

95%

News & Media

3%

Formal & Business

2%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "a few mm" is a grammatically correct and commonly used quantifier, predominantly found in scientific and technical contexts. Ludwig AI analysis confirms its validity and provides numerous examples showcasing its use in describing small measurements or tolerances. While acceptable in various settings, more precise measurements are recommended in formal scientific writing. When you need to express a minimal quantity of millimeters, "a few mm" is a concise and readily understood choice.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

several millimeters

Replaces "few" with "several", indicating a slightly larger but still small quantity.

a couple of millimeters

Specifies the quantity as approximately two millimeters.

a small number of millimeters

Emphasizes the small quantity using more descriptive language.

just millimeters

Highlights the minimal size or distance.

a fraction of a centimeter

Expresses the measurement in relation to a centimeter.

a tiny distance in millimeters

Uses "tiny distance" to underscore the small measurement.

a millimeter or two

Indicates a very small range around one or two millimeters.

a scant few millimeters

Adds emphasis to the minimal amount using "scant".

a minimal number of millimeters

Replaces "few" with "minimal" to highlight the small quantity.

a hair's breadth

Uses an idiomatic expression to indicate a very small distance.

FAQs

How can I use "a few mm" in a sentence?

You can use "a few mm" to describe small distances, lengths, or thicknesses. For instance, "The gap should be only "a few mm" wide".

What are some alternatives to saying "a few mm"?

Alternatives include "several millimeters", "a couple of millimeters", or describing it as "less than a centimeter" depending on the context.

When is it appropriate to use "a few mm" instead of providing an exact measurement?

Use "a few mm" when an approximate measurement is sufficient and the precise value is not critical. If accuracy is important, provide the exact millimeter value.

Is "a few mm" formal enough for scientific writing?

While acceptable, in formal scientific writing, it's often better to provide a more precise measurement or specify a range (e.g., "between 2 and 5 mm") for greater clarity and accuracy.