anneal: meaning, definition, pronunciation and examples
C2Technical / Formal
Quick answer
What does “anneal” mean?
To heat and then cool metal or glass slowly to make it harder and less brittle.
Audio
Pronunciation
Definition
Meaning and Definition
To heat and then cool metal or glass slowly to make it harder and less brittle.
To strengthen or toughen a material, an idea, a skill, or a relationship through a process of controlled stress, heating, or gradual development.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or spelling. Both use the term identically in technical fields.
Connotations
Identical technical connotations.
Frequency
Equally low-frequency in both dialects. Slightly more likely to appear in American English in computational contexts (e.g., simulated annealing algorithms).
Grammar
How to Use “anneal” in a Sentence
NP anneal NP (transitive)NP be annealed (passive)NP anneal (intransitive, rare)Vocabulary
Collocations
Examples
Examples of “anneal” in a Sentence
verb
British English
- The glassblower must anneal the vessel in a lehr to relieve internal stresses.
- We annealed the copper wire to make it more ductile.
American English
- The factory anneals the steel components to prevent cracking.
- This algorithm uses a process called simulated annealing to find optimal solutions.
adverb
British English
- The metal was treated annealedly (very rare/awkward).
American English
- (Adverbial use is virtually non-existent. Use phrases like 'by annealing').
adjective
British English
- The annealed glass was much safer for the shower door.
- They ordered a batch of annealed copper tubing.
American English
- Annealed aluminum is easier to form into complex shapes.
- Ensure you use properly annealed wire for the jewelry.
Usage
Meaning in Context
Business
Rare. Potentially used metaphorically in HR or strategy: 'The new partnership was annealed by the shared challenges of the market downturn.'
Academic
Common in materials science, physics, and computer science (optimization algorithms). Metaphorical use in social sciences.
Everyday
Extremely rare. Would be recognised by most educated speakers but not actively used.
Technical
The primary domain. Precise term for heat-treatment processes in manufacturing and materials engineering.
Watch out
Common Mistakes When Using “anneal”
- Confusing 'anneal' with 'annex' (to add territory).
- Using it as a general synonym for 'heat' without the connotation of controlled strengthening.
- Misspelling as 'aneal'.
FAQ
Frequently Asked Questions
No, while most common for metals, it is also the standard term for a similar heat-treatment process for glass.
A computer science optimization algorithm inspired by the physical process. It 'heats' and 'cools' a system to avoid local minima and find a global optimum.
It is highly technical. Using it metaphorically (e.g., 'anneal a relationship') sounds very formal or literary. Simpler words like 'strengthen' or 'toughen' are preferred.
In metallurgy, annealing typically involves heating then slow cooling to soften or relieve stress. Tempering (for steel) involves heating to a lower temperature after hardening to reduce brittleness while maintaining hardness. They are related but distinct processes.
To heat and then cool metal or glass slowly to make it harder and less brittle.
Anneal is usually technical / formal in register.
Anneal: in British English it is pronounced /əˈniːl/, and in American English it is pronounced /əˈniːl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Trial by fire (conceptual link to strengthening through stress)”
- “Forged in fire”
Learning
Memory Aids
Mnemonic
Think of a NEAL (or Neil) who is very STRONG. To ANNEAL something is to make it as strong as Neal.
Conceptual Metaphor
STRENGTH IS FORGED THROUGH CONTROLLED STRESS (like metal heated and cooled). DEVELOPMENT IS A THERMAL PROCESS.
Practice
Quiz
In which field is the term 'anneal' MOST specifically and commonly used?