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dorsum: meaning, definition, pronunciation and examples

C2
UK/ˈdɔːsəm/US/ˈdɔːrsəm/

Technical/Scientific

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Quick answer

What does “dorsum” mean?

The upper surface or back of a body part, especially an animal or an organ, e.

Audio

Pronunciation

Definition

Meaning and Definition

The upper surface or back of a body part, especially an animal or an organ, e.g., the back of the tongue, the top of the foot.

A dorsal or anatomical posterior aspect; in astronomy, a ridge on a planet or moon; in geology, an elongated elevation of land.

Dialectal Variation

British vs American Usage

Differences

No significant differences in usage; standard in scientific communities in both regions.

Connotations

Technical precision. No layperson connotations.

Frequency

Extremely rare in general speech; used almost exclusively in medical, anatomical, biological, and certain geological contexts.

Grammar

How to Use “dorsum” in a Sentence

dorsum of + [body part noun]the + [adjective] + dorsum

Vocabulary

Collocations

strong
dorsum of the tonguedorsum of the handdorsum of the footdorsal aspect
medium
examination of the dorsumskin of the dorsumapply to the dorsum
weak
on the dorsumalong the dorsumdorsum pain

Examples

Examples of “dorsum” in a Sentence

adjective

British English

  • A dorsal fin is an anatomical feature on the dorsum.

American English

  • The dorsal side is equivalent to the dorsum.

Usage

Meaning in Context

Business

Virtually never used.

Academic

Standard in anatomy, medicine, biology, geology, and astronomy papers and lectures.

Everyday

Extremely rare. Might be used by medical professionals instructing a patient.

Technical

The primary context for its use. Standard terminology.

Vocabulary

Synonyms of “dorsum”

Strong

dorsal surface

Neutral

backupper surface

Weak

toprear surface

Vocabulary

Antonyms of “dorsum”

volar surfacepalmar surfaceplantar surfaceventral surfacefrontanterior

Watch out

Common Mistakes When Using “dorsum”

  • Using 'dorsum' to refer to the human back as a whole (use 'back').
  • Pronouncing the final syllable like '-um' in 'museum' (correct is '-əm').
  • Using it in non-technical writing where 'back' or 'top' is appropriate.

FAQ

Frequently Asked Questions

'Back' refers to the entire posterior of the torso or main body. 'Dorsum' is a more precise term for the upper surface of a body *part* like the hand, foot, or tongue.

No, it is a technical term. You would use 'back of the hand' or 'top of the foot' in everyday conversation.

The standard plural from Latin is 'dorsa'. 'Dorsums' is also sometimes accepted in English.

Typically not for common objects. Its use for ridges on planets (e.g., 'lunar dorsum') is a specialised extension of the anatomical meaning into geology/astronomy.

The upper surface or back of a body part, especially an animal or an organ, e.

Dorsum is usually technical/scientific in register.

Dorsum: in British English it is pronounced /ˈdɔːsəm/, and in American English it is pronounced /ˈdɔːrsəm/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • “None. It is a literal anatomical term.”

Learning

Memory Aids

Mnemonic

Imagine a DORsal fin on a shark: the DORsum is the BACK.

Conceptual Metaphor

BACK IS A SURFACE/PLANE (e.g., the dorsal surface).

Practice

Quiz

Fill in the gap
The physician noted a small tattoo on the of the patient's foot.
Multiple Choice

In which of the following sentences is 'dorsum' used correctly?

dorsum: meaning, definition, pronunciation and examples | Lingvocore