biliverdin: meaning, definition, pronunciation and examples

C2
UK/ˌbɪlɪˈvɜːdɪn/US/ˌbɪlɪˈvɜːrdɪn/

Technical/Scientific

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Quick answer

What does “biliverdin” mean?

A green pigment present in bile, formed during the breakdown of hemoglobin.

Audio

Pronunciation

Definition

Meaning and Definition

A green pigment present in bile, formed during the breakdown of hemoglobin.

A biochemical intermediate in the heme catabolic pathway, giving certain bruises and some biological fluids a greenish hue.

Dialectal Variation

British vs American Usage

Differences

No spelling or pronunciation differences. Usage is identical across both varieties.

Connotations

Purely technical, with no cultural or regional connotative differences.

Frequency

Equally rare and specialized in both British and American English.

Grammar

How to Use “biliverdin” in a Sentence

Biliverdin is converted to bilirubin by biliverdin reductase.

Vocabulary

Collocations

strong
biliverdin reductasebiliverdin IX-alphaconvert biliverdin
medium
presence of biliverdingreen biliverdinexcess biliverdin
weak
biliverdin inbiliverdin and bilirubinmeasure biliverdin

Usage

Meaning in Context

Business

Not used in business contexts.

Academic

Used in academic papers and textbooks within biochemistry, medicine, and physiology.

Everyday

Virtually never used in everyday conversation.

Technical

Core term in technical descriptions of heme metabolism, jaundice, and bruise coloration.

Vocabulary

Synonyms of “biliverdin”

Neutral

green bile pigment

Weak

heme catabolitetetrapyrrole

Watch out

Common Mistakes When Using “biliverdin”

  • Mispronouncing it as 'bill-ih-ver-din' with a hard 'ver'.
  • Confusing it with 'bilirubin', its downstream product.

FAQ

Frequently Asked Questions

No, it is a normal, non-toxic intermediate in the body's process of breaking down old red blood cells.

It is a green pigment.

Biliverdin is green and is converted by an enzyme into bilirubin, which is yellow. Bilirubin is the pigment associated with jaundice.

Almost exclusively in medical, biochemical, or advanced physiological texts and discussions. It is not a common everyday word.

A green pigment present in bile, formed during the breakdown of hemoglobin.

Biliverdin is usually technical/scientific in register.

Biliverdin: in British English it is pronounced /ˌbɪlɪˈvɜːdɪn/, and in American English it is pronounced /ˌbɪlɪˈvɜːrdɪn/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think 'bile' + 'verdant' (green) + 'in' → the green pigment in bile.

Conceptual Metaphor

A CHEMICAL MESSENGER (it signals a specific stage in the body's recycling process).

Practice

Quiz

Fill in the gap
The greenish colour in a healing bruise is often due to the presence of .
Multiple Choice

What is biliverdin primarily derived from?