four-hundred-day clock: meaning, definition, pronunciation and examples
LowTechnical / Hobbyist
Quick answer
What does “four-hundred-day clock” mean?
A precision mechanical clock designed to run for approximately 400 days on a single winding, often using a torsion pendulum.
Audio
Pronunciation
Definition
Meaning and Definition
A precision mechanical clock designed to run for approximately 400 days on a single winding, often using a torsion pendulum.
Typically refers to a type of anniversary clock, characterized by a slowly rotating pendulum, housed under a glass dome, and valued as a decorative timepiece and collector's item.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. The compound spelling with hyphens is standard in both.
Connotations
Associated with precision engineering, heirlooms, and a niche collecting hobby in both regions.
Frequency
Equally rare and specialized in both British and American English.
Grammar
How to Use “four-hundred-day clock” in a Sentence
[Someone] winds the four-hundred-day clock.The four-hundred-day clock [stands/runs/sits] on the mantelpiece.[Adjective] four-hundred-day clockVocabulary
Collocations
Examples
Examples of “four-hundred-day clock” in a Sentence
verb
British English
- He carefully wound the four-hundred-day clock in his study.
- The mechanism of a four-hundred-day clock must be regulated with precision.
American English
- She wound the four-hundred-day clock on the mantel.
- These clocks are designed to four-hundred-day run without intervention.
adjective
British English
- The four-hundred-day-clock mechanism is fascinating.
- He is a four-hundred-day-clock collector.
American English
- It was a beautiful four-hundred-day-clock design.
- The four-hundred-day-clock market is quite specialized.
Usage
Meaning in Context
Business
Rarely used. Might appear in auction house catalogs or antique dealer listings.
Academic
Used in horological studies, history of technology, or material culture courses.
Everyday
Extremely rare. Used primarily by clock enthusiasts and collectors.
Technical
Standard term within horology for this specific class of clocks.
Vocabulary
Synonyms of “four-hundred-day clock”
Strong
Neutral
Weak
Vocabulary
Antonyms of “four-hundred-day clock”
Watch out
Common Mistakes When Using “four-hundred-day clock”
- Incorrect hyphenation: 'four hundred day clock' (should be hyphenated).
- Confusing it with a 'grandfather clock' (tall floor clock).
- Assuming it runs for exactly 400 days.
FAQ
Frequently Asked Questions
Not exactly. It's an approximation. Factors like temperature and leveling can cause the running time to vary around that period.
Because its yearly winding cycle makes it a symbolic gift for anniversaries, meant to be wound on the anniversary date.
They are precision timepieces but are generally valued more for their decorative and mechanical novelty than for scientific-level accuracy.
The basic design is attributed to Aaron D. Crane in the 1840s, but the modern form was popularized by German clockmakers like Anton Harder in the late 19th century.
A precision mechanical clock designed to run for approximately 400 days on a single winding, often using a torsion pendulum.
Four-hundred-day clock is usually technical / hobbyist in register.
Four-hundred-day clock: in British English it is pronounced /ˌfɔː ˈhʌn.drəd deɪ ˈklɒk/, and in American English it is pronounced /ˌfɔr ˈhʌn.drɪd deɪ ˈklɑːk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “To run like a four-hundred-day clock: to operate with exceptional precision and longevity (very rare idiom).”
Learning
Memory Aids
Mnemonic
Think: 'Four seasons (a year) plus a bit more – that's how long it runs on one winding.'
Conceptual Metaphor
PRECISION IS DELICATE BALANCE (the torsion pendulum's slow rotation). LONGEVITY IS A FULL CYCLE (approximating a year).
Practice
Quiz
What is a defining feature of a four-hundred-day clock?