spirochaete: meaning, definition, pronunciation and examples

Low
UK/ˈspaɪ.rəˌkiːt/US/ˈspaɪ.roʊˌkiːt/

Scientific, Medical, Technical

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Quick answer

What does “spirochaete” mean?

A type of slender, spiral-shaped bacterium that causes diseases like syphilis and Lyme disease.

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Pronunciation

Definition

Meaning and Definition

A type of slender, spiral-shaped bacterium that causes diseases like syphilis and Lyme disease.

Any member of the order Spirochaetales, characterized by their helical morphology and unique method of motility via axial filaments. In informal contexts, may be used metaphorically to describe something twisted or spiral in shape.

Dialectal Variation

British vs American Usage

Differences

The primary difference is spelling. British English favours 'spirochaete', while American English uses 'spirochete'. Both refer to the same organism.

Connotations

Identical connotations in both varieties, strictly scientific/medical.

Frequency

Equally low-frequency in both varieties, confined to specialist fields. The American spelling 'spirochete' is sometimes encountered in British texts.

Grammar

How to Use “spirochaete” in a Sentence

The spirochaete [VERB]...[DISEASE] is caused by a spirochaete.A spirochaete of the genus [GENUS].

Vocabulary

Collocations

strong
Treponema pallidum (a spirochaete)Lyme disease spirochaetepathogenic spirochaetespirochaete bacterium
medium
detect a spirochaetespirochaete infectionspirochaete motility
weak
study of spirochaetesvarious spirochaetesspirochaete morphology

Examples

Examples of “spirochaete” in a Sentence

verb

British English

  • The specimen was found to be spirochaete-positive.
  • The lab is trying to spirochaete-culture the sample.

American English

  • The sample tested positive for spirochetes.
  • They attempted to culture the spirochete from the biopsy.

adjective

British English

  • The patient showed signs of a spirochaetal infection.
  • Spirochaete motility is fascinating under a microscope.

American English

  • The patient has a spirochetal disease.
  • Spirochete morphology is distinct from other bacteria.

Usage

Meaning in Context

Business

Not used.

Academic

Used in microbiology, medical, and veterinary research papers and textbooks.

Everyday

Virtually never used in everyday conversation.

Technical

Standard term in medical diagnostics, laboratory reports, and clinical discussions of specific infectious diseases.

Vocabulary

Synonyms of “spirochaete”

Strong

spirochete (US spelling)

Neutral

spiral bacterium

Weak

helical bacteriumcorkscrew bacterium

Vocabulary

Antonyms of “spirochaete”

coccusbacillusrod-shaped bacterium

Watch out

Common Mistakes When Using “spirochaete”

  • Misspelling as 'spirochete' in a British context or 'spirochaete' in an American context where consistency is required. Pronouncing the 'ch' as /tʃ/ (like 'cheese') instead of /k/.

FAQ

Frequently Asked Questions

Yes, they refer to the same group of bacteria. 'Spirochaete' is the standard British English spelling, while 'spirochete' is the standard American English spelling.

Notable diseases include syphilis (Treponema pallidum), Lyme disease (Borrelia burgdorferi), and leptospirosis (Leptospira interrogans).

It is pronounced as a /k/ sound, not /tʃ/. So it is 'spy-ro-keet'.

It is highly unlikely unless you are specifically discussing microbiology or a related medical condition. It is a specialised scientific term.

A type of slender, spiral-shaped bacterium that causes diseases like syphilis and Lyme disease.

Spirochaete is usually scientific, medical, technical in register.

Phrases

Idioms & Phrases

  • No common idioms

Learning

Memory Aids

Mnemonic

Imagine a SPIROgraph drawing a spiral, and a germ (a 'bug' or 'beast') living inside it: SPIRO-germ-beast -> SPIROCHAETE.

Conceptual Metaphor

THE ORGANISM IS A CORKSCCREW / THE ORGANISM IS A SPIRAL.

Practice

Quiz

Fill in the gap
The causative agent of Lyme disease is a called Borrelia burgdorferi.
Multiple Choice

In which context would you most likely encounter the word 'spirochaete'?