red seaweed: meaning, definition, pronunciation and examples

Low
UK/ˌrɛd ˈsiːwiːd/US/ˌrɛd ˈsiˌwid/

Technical/Scientific, Culinary

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Quick answer

What does “red seaweed” mean?

A type of marine algae of the class Rhodophyta, characterized by reddish pigments.

Audio

Pronunciation

Definition

Meaning and Definition

A type of marine algae of the class Rhodophyta, characterized by reddish pigments.

Any of numerous multicellular marine algae with a red or purplish color, often used in food, cosmetics, and scientific research.

Dialectal Variation

British vs American Usage

Differences

No significant difference in term usage. Both use the same compound noun.

Connotations

Neutral scientific/culinary term in both variants.

Frequency

Slightly higher frequency in UK English due to traditional use in Welsh and Scottish cuisine (e.g., laverbread).

Grammar

How to Use “red seaweed” in a Sentence

N of red seaweedADJ red seaweedV red seaweed

Vocabulary

Collocations

strong
harvest red seaweedspecies of red seaweedred seaweed extract
medium
edible red seaweedwash up red seaweedstudy red seaweed
weak
pile of red seaweedfresh red seaweeddried red seaweed

Examples

Examples of “red seaweed” in a Sentence

adjective

British English

  • The red-seaweed extract is a common thickener.

American English

  • The red-seaweed sample was analyzed.

Usage

Meaning in Context

Business

Used in industries like food additives (carrageenan), cosmetics, and biotechnology.

Academic

Common in marine biology, phycology, and environmental science texts.

Everyday

Used when discussing beach findings, Asian cuisine (nori, dulse), or health supplements.

Technical

Precise taxonomic reference to members of the Rhodophyta division.

Vocabulary

Synonyms of “red seaweed”

Neutral

Rhodophytared algae

Vocabulary

Antonyms of “red seaweed”

green seaweedbrown seaweed

Watch out

Common Mistakes When Using “red seaweed”

  • Confusing it with brown seaweed (kelp) or green seaweed. Using as an uncountable noun without 'a' or 'some' when referring to a type (e.g., 'It is a red seaweed').

FAQ

Frequently Asked Questions

No, while many species like dulse and nori are edible, some are not suitable for human consumption.

The pigments phycoerythrin and phycocyanin mask the green chlorophyll, giving it a red appearance.

Carrageenan, a thickening and stabilizing agent used in foods like ice cream and yogurt.

No, it refers to over 7,000 species within the Rhodophyta division.

A type of marine algae of the class Rhodophyta, characterized by reddish pigments.

Red seaweed is usually technical/scientific, culinary in register.

Red seaweed: in British English it is pronounced /ˌrɛd ˈsiːwiːd/, and in American English it is pronounced /ˌrɛd ˈsiˌwid/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Red Sea + weed: Imagine a weed growing in the (coloured) Red Sea.

Conceptual Metaphor

SOURCE (for food, science); NATURE'S HARVEST.

Practice

Quiz

Fill in the gap
Nori, used in sushi, is a type of .
Multiple Choice

What is 'red seaweed' primarily classified as?