yield point
C2Technical / Specialised
Definition
Meaning
The specific stress level at which a material begins to deform permanently without an increase in load.
A point where a system, process, or situation changes from one state to another, especially from elastic/reversible behavior to permanent deformation or failure. Used metaphorically in contexts like finance, psychology, or negotiations.
Linguistics
Semantic Notes
This is a highly technical term from materials science and engineering, though it can be used in metaphorical extensions in other fields. The primary meaning relates to the physics of deformation.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The term is identical in spelling and meaning. The concept is fundamental to engineering globally.
Connotations
Strictly technical, with no regional variance in connotation.
Frequency
Frequency is high in engineering and physics contexts in both regions; near-zero in everyday language.
Vocabulary
Collocations
Grammar
Valency Patterns
The [MATERIAL] has a [ADJ] yield point of [VALUE].The structure failed once stress exceeded the yield point.Calculate/Measure/Determine the yield point.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Metaphorically used to describe a point in negotiations or markets where resistance gives way (e.g., 'The investor pressure reached a yield point, and the CEO conceded').
Academic
Precise technical term in materials science, mechanical engineering, and physics papers.
Everyday
Virtually never used in everyday conversation.
Technical
Primary context. The stress (in pascals) at which a material transitions from elastic to plastic deformation.
Examples
By CEFR Level
- This metal is strong, but if you bend it too far, it stays bent.
- Engineers must ensure the bridge's components never experience stress beyond their yield point.
- The alloy's high yield point makes it ideal for aerospace applications where structural integrity under extreme load is paramount.
Learning
Memory Aids
Mnemonic
Think of a paperclip. Bend it a little and it springs back (elastic). Bend it past a certain point and it stays bent (plastic). That certain point is the YIELD point.
Conceptual Metaphor
A LIMIT OR THRESHOLD METAPHOR. The point where resilience or resistance yields/gives way to permanent change.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'точка урожая' (harvest point). The correct equivalent is 'предел текучести' or 'точка текучести'.
- The word 'yield' here means 'to give way/deform', not 'to produce'.
Common Mistakes
- Using 'yield point' interchangeably with 'breaking point' or 'melting point'.
- Misspelling as 'yeild point'.
- Using it in non-technical contexts where simpler terms like 'turning point' or 'limit' would suffice.
Practice
Quiz
In materials science, what does 'yield point' specifically refer to?
FAQ
Frequently Asked Questions
No. The yield point is where permanent deformation begins; the breaking point (or ultimate tensile strength) is where the material actually fractures.
Only metaphorically, to describe a threshold of concession or change. Its primary and precise meaning is in engineering.
It is determined through a tensile test, where a sample is stretched until a small, permanent strain is observed, often defined as 0.2% offset strain.
No. Some materials, like mild steel, show a clear yield point. Others, like aluminium or copper, have a gradual transition and use an 'offset yield strength' as a defined proxy.