seismograph: meaning, definition, pronunciation and examples
C1Technical / Scientific
Quick answer
What does “seismograph” mean?
An instrument that detects, measures, and records vibrations within the earth, especially those caused by earthquakes.
Audio
Pronunciation
Definition
Meaning and Definition
An instrument that detects, measures, and records vibrations within the earth, especially those caused by earthquakes.
Any device or system that records and measures vibrations or shocks; metaphorically, something that detects and records significant disturbances or changes in a system.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low-frequency in both dialects, confined to scientific/educational contexts.
Grammar
How to Use “seismograph” in a Sentence
The seismograph recorded [NOUN PHRASE]A seismograph detected [NOUN PHRASE]Scientists use a seismograph to [VERB]Vocabulary
Collocations
Examples
Examples of “seismograph” in a Sentence
verb
British English
- The activity was seismographed by the observatory.
- They aim to seismograph the region's micro-tremors.
American English
- The event was seismographed at three stations.
- The team will seismograph the aftershocks.
adjective
British English
- The seismograph data was conclusive.
- We reviewed the seismograph readings.
American English
- The seismograph record showed a clear signal.
- Seismograph technology has advanced rapidly.
Usage
Meaning in Context
Business
Rare. Might appear in risk assessment reports for companies operating in seismic zones.
Academic
Common in geology, geophysics, and earth science textbooks, papers, and lectures.
Everyday
Very rare. Might be encountered in news reports about earthquakes or documentaries.
Technical
The primary context. Used precisely to describe instrumentation for monitoring seismic activity.
Vocabulary
Synonyms of “seismograph”
Neutral
Weak
Watch out
Common Mistakes When Using “seismograph”
- Misspelling: 'seismograf', 'siesmograph'.
- Using 'seismograph' to mean the paper record (which is a 'seismogram').
- Pronouncing the 'g' in '-graph' as soft /dʒ/ instead of hard /ɡ/.
FAQ
Frequently Asked Questions
Traditionally, a seismometer is the internal sensor that detects motion, while a seismograph is the entire instrument that records it. In modern usage, the terms are often used interchangeably.
No. A seismograph records earthquakes as they happen or after they occur. It is a measuring tool, not a predictive one.
The output, a chart or digital record of the vibrations, is called a seismogram.
They are installed in seismograph stations, which are often in quiet, remote locations (or vaults) to avoid interference from human activity, and are part of global networks.
An instrument that detects, measures, and records vibrations within the earth, especially those caused by earthquakes.
Seismograph is usually technical / scientific in register.
Seismograph: in British English it is pronounced /ˈsaɪzməɡrɑːf/, and in American English it is pronounced /ˈsaɪzməˌɡræf/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'SEISMO' (like seismic, from Greek for 'earthquake') + 'GRAPH' (something that writes/records). It's the machine that 'graphs' or writes down earthquakes.
Conceptual Metaphor
A SENSITIVE EAR FOR THE GROUND; A HEART MONITOR FOR THE EARTH.
Practice
Quiz
What is the primary function of a seismograph?