figure of merit: meaning, definition, pronunciation and examples
C2Formal, Technical
Quick answer
What does “figure of merit” mean?
A quantitative measure used to compare the effectiveness or performance of different systems, devices, or methods within a specific field.
Audio
Pronunciation
Definition
Meaning and Definition
A quantitative measure used to compare the effectiveness or performance of different systems, devices, or methods within a specific field.
A single numerical value summarizing the relative performance of an entity under specified conditions, often used in engineering, electronics, and science to facilitate selection or ranking.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or syntactic differences. Usage is identical across technical registers.
Connotations
Purely technical and neutral in both varieties.
Frequency
Equally low-frequency and specialized in both BrE and AmE, confined to technical/scientific contexts.
Grammar
How to Use “figure of merit” in a Sentence
The [noun phrase] has a figure of merit of [value].[Noun phrase] is used as a/the figure of merit for [system].We evaluated them based on their figure of merit.Vocabulary
Collocations
Examples
Examples of “figure of merit” in a Sentence
verb
British English
- Engineers will figure the merit of each design before prototyping. (Rare/constructed)
American English
- The team figured the merit of the new algorithm against the old standard. (Rare/constructed)
adjective
British English
- The figure-of-merit analysis revealed the optimal material. (Compound adjective)
American English
- We need a good figure-of-merit comparison. (Compound adjective)
Usage
Meaning in Context
Business
Rare. Might be used metaphorically in high-tech investment analysis (e.g., 'Our figure of merit for acquisitions is ROI').
Academic
Common in physics, engineering, and materials science papers to compare theoretical models or experimental results.
Everyday
Virtually never used.
Technical
Standard term in electronics, optics, communications, and systems engineering to quantify performance (e.g., noise figure, thermoelectric ZT).
Vocabulary
Synonyms of “figure of merit”
Strong
Neutral
Vocabulary
Antonyms of “figure of merit”
Watch out
Common Mistakes When Using “figure of merit”
- Using it in non-technical contexts.
- Confusing it with a simple 'figure' (statistic) or 'merit' (praiseworthy quality).
- Treating it as a countable noun in the plural without clarity (e.g., 'figures of merit' is correct but should refer to multiple different metrics).
FAQ
Frequently Asked Questions
They are conceptually similar, but 'KPI' is a business/management term, while 'figure of merit' is a technical/scientific term. A FoM is usually a specific, calculated physical quantity.
Yes, 'figures of merit' is used when discussing multiple different metrics for evaluation (e.g., speed, cost, and reliability are all figures of merit for a new computer).
A specification is a required value or range (a target). A figure of merit is a calculated measure of how well a system performs, often used to see if it meets or exceeds specifications.
Typically not when used as a noun phrase ('We calculated the figure of merit'). Hyphens are used when it functions as a compound modifier before a noun ('a figure-of-merit calculation').
A quantitative measure used to compare the effectiveness or performance of different systems, devices, or methods within a specific field.
Figure of merit is usually formal, technical in register.
Figure of merit: in British English it is pronounced /ˌfɪɡər əv ˈmerɪt/, and in American English it is pronounced /ˌfɪɡjər əv ˈmerət/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. It is a fixed technical term.”
Learning
Memory Aids
Mnemonic
Think of a judge holding up a SCORE CARD with a single NUMBER at a competition. The 'figure' (number) indicates the 'merit' (worth/quality) of the performer.
Conceptual Metaphor
PERFORMANCE IS A QUANTIFIABLE OBJECT (that can be measured, compared, and maximised).
Practice
Quiz
In which context is 'figure of merit' LEAST likely to be used appropriately?