seabed: meaning, definition, pronunciation and examples
C1Formal/Technical/Geographic
Quick answer
What does “seabed” mean?
The ground at the bottom of the sea.
Audio
Pronunciation
Definition
Meaning and Definition
The ground at the bottom of the sea.
The entire physical landscape of the ocean floor, which includes plains, mountains, trenches, and features of geological or ecological importance.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Both varieties prefer 'seabed', though 'ocean floor' is a common synonym, especially in American scientific contexts.
Connotations
Neutral; connotes scientific study, natural resources, or environmental concern.
Frequency
Slightly more frequent in British English due to the prominence of North Sea oil and gas industries, but common in both varieties.
Grammar
How to Use “seabed” in a Sentence
on the seabedbeneath the seabedacross the seabedto the seabedVocabulary
Collocations
Examples
Examples of “seabed” in a Sentence
verb
British English
- The wreck has seabedded in the silt for centuries.
- The pipeline will be seabedded along a carefully surveyed route.
American English
- The vessel is designed to seabed the monitoring equipment.
- They plan to seabed the cables next month.
adverb
British English
- The module settled seabedwards after release.
- They searched seabed-deep for evidence.
American English
- The probe moved seabed-ward slowly.
- The sonar scans seabed-deep.
adjective
British English
- The seabed survey revealed new canyons.
- Seabed topography is crucial for navigation.
American English
- The seabed mapping project is underway.
- Seabed ecosystems are highly sensitive.
Usage
Meaning in Context
Business
Used in offshore energy, telecommunications (subsea cables), and deep-sea mining industries. (e.g., 'The company secured rights for seabed exploration.')
Academic
Common in marine biology, oceanography, geology, and environmental science papers. (e.g., 'The study sampled sediment cores from the abyssal seabed.')
Everyday
Used in news reports about shipwrecks, environmental damage, or scientific discoveries. (e.g., 'They found the wreckage on the seabed.')
Technical
Precise term in hydrography, nautical charts, and subsea engineering. (e.g., 'The ROV is equipped for high-resolution seabed mapping.')
Watch out
Common Mistakes When Using “seabed”
- Misspelling as two words: 'sea bed' (though sometimes accepted, the single-word form is standard). Using 'seaside' (which means the coast) instead of 'seabed'.
FAQ
Frequently Asked Questions
The standard modern spelling is as one word: 'seabed'. The hyphenated 'sea-bed' is dated, and the two-word form 'sea bed' is less common.
They are synonyms. 'Seabed' is slightly more common in general and British English, while 'seafloor' is very common in American scientific English. There is no difference in meaning.
No. 'Seabed' is specific to seas and oceans. The equivalent terms for lakes and rivers are 'lakebed' and 'riverbed' respectively.
It is neutral but leans towards formal/technical registers. In everyday conversation, people might say 'bottom of the sea', but 'seabed' is perfectly understandable and appropriate in most contexts.
The ground at the bottom of the sea.
Seabed: in British English it is pronounced /ˈsiː.bed/, and in American English it is pronounced /ˈsiː.bed/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms specific to 'seabed']”
Learning
Memory Aids
Mnemonic
Think of a bed at the bottom of the SEA: the SEA-BED. Just as a bed is the foundation of a room, the seabed is the foundation of the ocean.
Conceptual Metaphor
The seabed is a LANDSCAPE/TERRITORY (e.g., 'exploring the seabed'), a RESOURCE CONTAINER (e.g., 'riches of the seabed'), and an ARCHIVE (e.g., 'secrets buried in the seabed').
Practice
Quiz
Which of the following is the LEAST likely context for the word 'seabed'?