sealab: meaning, definition, pronunciation and examples

Rare
UK/ˈsiː.læb/US/ˈsiː.læb/

Technical/Specialized

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Quick answer

What does “sealab” mean?

A sea laboratory.

Audio

Pronunciation

Definition

Meaning and Definition

A sea laboratory; a habitat or research station placed underwater for human habitation and study of the marine environment.

A term used for specific underwater experimental habitats, most notably the U.S. Navy's SEALAB projects (I, II, III) in the 1960s. It can also refer to similar undersea research facilities or be used as a proprietary name for companies or projects.

Dialectal Variation

British vs American Usage

Differences

Primarily an Americanism due to the U.S. Navy program. In British English, the concept exists but terms like 'underwater habitat' or 'undersea laboratory' are more common generic descriptors.

Connotations

In American English, carries connotations of Cold War-era naval research, pioneering saturation diving, and figures like George Bond and Scott Carpenter. In British English, the term may be recognized but lacks the same cultural-historical weight.

Frequency

Extremely low frequency in both varieties, but marginally higher in American English due to historical program recognition.

Grammar

How to Use “sealab” in a Sentence

[Name] worked on Sealab [Roman Numeral]The [nationality] sealab was deployed off [location]to live in a sealab

Vocabulary

Collocations

strong
SEALAB ISEALAB IISEALAB IIINavy SEALABexperimental sealab
medium
underwater sealabsealab habitatsealab projectsealab missionsealab aquanauts
weak
ocean sealabresearch sealabdeep sea sealabnew sealabsmall sealab

Examples

Examples of “sealab” in a Sentence

verb

British English

  • No verb use.

American English

  • No verb use.

adverb

British English

  • No adverbial use.

American English

  • No adverbial use.

adjective

British English

  • No standard adjectival use.

American English

  • No standard adjectival use.

Usage

Meaning in Context

Business

Rare. Possibly as a brand or project name for marine technology companies (e.g., 'Sealab Robotics').

Academic

Used in history of science/technology, oceanography, and diving medicine to refer to the specific U.S. Navy programs or analogous facilities.

Everyday

Virtually unknown. Might be encountered in documentaries or historical articles.

Technical

Used in marine engineering, underwater archaeology, and advanced diving operations to denote a manned, pressurized underwater living/working base.

Vocabulary

Synonyms of “sealab”

Strong

underwater habitatsea floor laboratory

Neutral

undersea habitatunderwater laboratoryaquatic research station

Weak

ocean basesubsea stationmarine lab

Vocabulary

Antonyms of “sealab”

space laborbital laboratoryterrestrial laboratoryland-based lab

Watch out

Common Mistakes When Using “sealab”

  • Misspelling as 'sea lab' or 'sea-lab' (though sometimes hyphenated, the closed compound is standard for the proper name).
  • Incorrect capitalization when not referring to the specific program.
  • Pronouncing it as /siːl.æb/ (like 'seal' + 'ab') instead of /ˈsiː.læb/ (sea-lab).

FAQ

Frequently Asked Questions

It is capitalized when referring specifically to the U.S. Navy's SEALAB I, II, or III projects. As a generic term for an undersea lab, it may be written in lowercase, though the term is rare in generic use.

No, 'sealab' is exclusively a noun. There is no standard verb form derived from it.

A submarine is a mobile vessel designed for travel underwater. A sealab is a stationary habitat placed on the sea floor, where occupants live at ambient pressure for days or weeks, often using saturation diving techniques.

No, it is a highly specialized, low-frequency term. Most people would only encounter it in historical, scientific, or technical contexts related to ocean exploration.

A sea laboratory.

Sealab is usually technical/specialized in register.

Sealab: in British English it is pronounced /ˈsiː.læb/, and in American English it is pronounced /ˈsiː.læb/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • No common idioms.

Learning

Memory Aids

Mnemonic

Imagine a LABoratory for SEAls (or scientists) under the SEA: SEA + LAB = SEALAB.

Conceptual Metaphor

THE OCEAN FLOOR IS A WORKPLACE; LIVING UNDERWATER IS LIVING IN A SPACESHIP (analogous to space habitats).

Practice

Quiz

Fill in the gap
The U.S. Navy's program in the 1960s was a pioneer in saturation diving.
Multiple Choice

What is a 'sealab' primarily?