achilles tendon
C1Formal, Technical, Literary
Definition
Meaning
The thick tendon at the back of the ankle connecting the calf muscles to the heel bone.
Refers to a point of specific and critical vulnerability, often in a larger structure, system, or person (derived from the myth of Achilles).
Linguistics
Semantic Notes
Primary anatomical use in technical contexts; metaphorical use common in broader discourse about weaknesses.
Dialectal Variation
British vs American Usage
Differences
No significant spelling or usage differences. The term is identical and equally common in both dialects.
Connotations
Identical strong medical/anatomical connotations; identical metaphorical connotations.
Frequency
Medical and sports contexts drive frequency; metaphorical use is stable in educated discourse.
Vocabulary
Collocations
Grammar
Valency Patterns
suffer a ~ injuryrupture one's ~undergo ~ surgerystrain the ~Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Achilles' heel”
Usage
Context Usage
Business
The company's over-reliance on a single supplier proved to be its Achilles tendon.
Academic
The study focused on the biomechanical properties of the Achilles tendon under stress.
Everyday
I think I've pulled my Achilles tendon from all that running.
Technical
The patient presented with a complete rupture of the Achilles tendon, requiring surgical intervention.
Examples
By CEFR Level
- He hurt his Achilles tendon playing football.
- The doctor said my Achilles tendon is sore.
- After the marathon, she felt a sharp pain in her Achilles tendon.
- A torn Achilles tendon can take months to heal.
- The athlete's career was jeopardised by a ruptured Achilles tendon.
- Physiotherapy is crucial for rehabilitating an injured Achilles tendon.
Learning
Memory Aids
Mnemonic
Remember 'Achilles' from the Greek hero whose only weak spot was his heel, and 'tendon' is the tissue connecting muscle to bone. So, it's the tendon at the heel that is vulnerable.
Conceptual Metaphor
A SINGLE POINT OF FAILURE IS A VULNERABLE TENDON.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid literal translation like 'Achillesovo sukhozhilie' in English contexts; use 'Achilles tendon'. Do not confuse with 'Achilles heel', which is purely metaphorical.
Common Mistakes
- Misspelling as 'Achilles tendon' (missing apostrophe is standard in anatomical term)
- Using 'Achilles' tendon' incorrectly in plural contexts (e.g., 'both Achilles tendons').
Practice
Quiz
What is the primary anatomical function of the Achilles tendon?
FAQ
Frequently Asked Questions
No. 'Achilles tendon' is the specific anatomical structure. 'Achilles' heel' is a metaphorical idiom meaning a critical weakness.
In British English, it's /əˌkɪliːz/. In American English, it's /əˌkɪliz/. The stress is on the second syllable.
Yes, but it's less common than 'Achilles' heel'. It's used to describe a point of vulnerability in a system or argument, often implying it is a single, critical structural flaw.
'Achilles tendons'. The word 'Achilles' functions as a possessive adjective but is treated as a fixed modifier in the plural (e.g., 'Both Achilles tendons were scanned').