caseharden: meaning, definition, pronunciation and examples
RareTechnical/Metaphorical
Quick answer
What does “caseharden” mean?
To harden the surface of metal (usually steel) by heating and then cooling rapidly, creating a hard outer layer.
Audio
Pronunciation
Definition
Meaning and Definition
To harden the surface of metal (usually steel) by heating and then cooling rapidly, creating a hard outer layer.
To make someone emotionally hardened, unfeeling, or inflexible; to become tough or resistant to emotional impact.
Dialectal Variation
British vs American Usage
Differences
The term is used in both varieties, predominantly in its technical sense. The metaphorical use is slightly more common in British literary contexts.
Connotations
In its literal sense, neutral/technical. Metaphorically, it can carry a negative connotation of becoming cold or unfeeling.
Frequency
Very low frequency in general usage; primarily found in technical manuals and occasionally in literary or psychological commentary.
Grammar
How to Use “caseharden” in a Sentence
[NP] casehardened [NP][NP] was casehardened[NP] casehardened [NP] against [NP]Vocabulary
Collocations
Examples
Examples of “caseharden” in a Sentence
verb
British English
- The workshop will caseharden the gear teeth for greater wear resistance.
- Years in the prison service had casehardened him to human suffering.
American English
- We need to caseharden this steel component before assembly.
- Her difficult childhood casehardened her emotionally.
adjective
British English
- The casehardened steel bore the scratches poorly.
- He had a casehardened attitude towards beggars.
American English
- Casehardened tools last longer under friction.
- The casehardened bureaucrat refused to make an exception.
Usage
Meaning in Context
Business
Rare; potentially in manufacturing contexts discussing material properties.
Academic
Used in engineering, materials science, and occasionally in sociology/psychology for metaphorical effect.
Everyday
Virtually never used in casual conversation.
Technical
Standard term in metallurgy and mechanical engineering.
Watch out
Common Mistakes When Using “caseharden”
- Misspelling as two words: 'case harden'.
- Using it as a general synonym for 'harden' outside technical/metaphorical contexts.
- Incorrect verb conjugation: 'casehardened' is the standard past/past participle.
FAQ
Frequently Asked Questions
It is typically written as one solid word, especially as a verb ('caseharden') or adjective ('casehardened'). Some technical manuals may use a hyphen ('case-harden').
'Harden' is a general term. 'Caseharden' is specific to metallurgy, referring to a process that creates a hard surface layer (the 'case') while leaving the interior tougher. Metaphorically, it implies a hardened exterior protecting a possibly different interior.
Yes, but it's a deliberate metaphorical use, suggesting someone has developed a hard, unfeeling, or inflexible exterior due to experience. It often carries a negative or critical tone.
No. In metallurgy, they are different processes. Casehardening (e.g., carburizing) adds carbon to the surface to make it hard. Tempering involves reheating already hardened steel to reduce brittleness and increase toughness.
To harden the surface of metal (usually steel) by heating and then cooling rapidly, creating a hard outer layer.
Caseharden is usually technical/metaphorical in register.
Caseharden: in British English it is pronounced /ˈkeɪsˌhɑːdən/, and in American English it is pronounced /ˈkeɪsˌhɑːrdən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Casehardened by experience”
Learning
Memory Aids
Mnemonic
Think of a protective phone CASE that's very HARD. To CASEHARDEN metal is to give it a hard 'case' or surface.
Conceptual Metaphor
EXPERIENCE IS A FORGE (Difficult experiences forge/harden a person).
Practice
Quiz
In a metaphorical sense, 'caseharden' most closely means: