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indicium

Very Low
UK/ɪnˈdɪs.i.əm/US/ɪnˈdɪʃ.i.əm/

Formal, Technical, Legal

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Definition

Meaning

A sign, indication, or piece of evidence that points toward something.

A distinguishing mark, token, or characteristic feature that serves as a clue or proof of something, often in formal or technical contexts. In legal contexts, it can refer specifically to evidence or a piece of incriminating information.

Linguistics

Semantic Notes

'Indicium' is a singular noun. Its plural is 'indicia'. It is a learned, Latinate word often used in academic, legal, or technical writing where precision is valued over simplicity. It connotes a specific, often tangible, piece of evidence rather than a general feeling or suggestion.

Dialectal Variation

British vs American Usage

Differences

Usage is extremely rare and equally formal in both varieties. There is no significant difference in meaning or usage.

Connotations

Both carry a strong connotation of formality and technicality.

Frequency

Equally rare and specialised in both UK and US English.

Vocabulary

Collocations

strong
clear indiciumprima facie indiciumreliable indiciumstrong indiciumlegal indicium
medium
an indicium ofprovide an indiciumserve as an indiciumlacks any indicium
weak
possible indiciumsmall indiciumsingle indiciumfurther indicium

Grammar

Valency Patterns

[be] an indicium of [noun phrase][provide/serve as] an indicium

Vocabulary

Synonyms

Strong

evidenceproofmanifestation

Neutral

signindicationmarktoken

Weak

cluehintsuggestion

Vocabulary

Antonyms

lack of evidencenon-indicationanonymityconcealment

Phrases

Idioms & Phrases

  • “prima facie indicium (legal term for evidence that is sufficient on its face)”

Usage

Context Usage

Business

Very rare. Might be used in formal reports to denote key performance indicators or market signals.

Academic

Used in scholarly writing, especially in legal, historical, or philological studies, to denote specific pieces of evidence.

Everyday

Almost never used. Replaced by simpler words like 'sign', 'clue', or 'proof'.

Technical

Used in legal contexts, forensic science, and some scientific documentation to refer to a specific piece of evidence or identifying characteristic.

Examples

By CEFR Level

B2
  • The torn label was the only indicium that the package had been tampered with.
  • A sudden drop in pressure can be an indicium of a serious leak in the system.
C1
  • The presence of specific linguistic features serves as a reliable indicium for dating the manuscript.
  • The court required a prima facie indicium of fraud before proceeding with the investigation.
  • In philately, a watermark is a key indicium for authenticating a stamp.

Learning

Memory Aids

Mnemonic

Think: 'INDIcium' starts like 'INDICate' – both point to something. It's a formal 'indication'.

Conceptual Metaphor

EVIDENCE IS A MARK/TRACE.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Do not confuse with 'индикатор' (indicator). 'Indicium' is closer to 'признак', 'улика', 'доказательство', or 'свидетельство'.

Common Mistakes

  • Confusing 'indicium' (singular) with 'indicia' (plural).
  • Using it in informal contexts where it sounds unnatural and pretentious.
  • Incorrect pronunciation: /ɪnˈdɪk.i.əm/ is a common error.

Practice

Quiz

Fill in the gap
The forensic team searched the scene for any that could point to the assailant's identity.
Multiple Choice

In which context would 'indicium' be MOST appropriately used?

FAQ

Frequently Asked Questions

The plural is 'indicia'.

No, it is very rare and used almost exclusively in formal, legal, or academic writing.

'Indicium' is more formal, specific, and often implies a tangible piece of evidence. 'Indication' is more general and common, covering everything from subtle hints to strong suggestions.

No, 'indicium' is solely a noun. The related verb is 'indicate'.