crinoid: meaning, definition, pronunciation and examples

C2
UK/ˈkrʌɪnɔɪd/US/ˈkraɪˌnɔɪd/

technical, scientific

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Quick answer

What does “crinoid” mean?

A marine animal belonging to a class of echinoderms that typically has a cup-shaped body with feathery arms.

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Pronunciation

Definition

Meaning and Definition

A marine animal belonging to a class of echinoderms that typically has a cup-shaped body with feathery arms; a sea lily or feather star.

Used to describe something resembling such an animal in shape, particularly a feather-like or lily-like form.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences; the term is identical in spelling and usage across both varieties.

Connotations

Purely scientific/technical in both varieties. No cultural or connotative divergence.

Frequency

Extremely rare in everyday language in both regions. Its frequency is confined to specialist fields like marine biology, paleontology, and geology.

Grammar

How to Use “crinoid” in a Sentence

[The] crinoid [verb: e.g., anchored, fed, fossilised][Adjective] crinoid [noun: e.g., colony, remains, fauna]

Vocabulary

Collocations

strong
crinoid fossilscrinoid stemscrinoid arms
medium
crinoid specimenscrinoid calyxfossilized crinoid
weak
ancient crinoidbeautiful crinoiddelicate crinoid

Examples

Examples of “crinoid” in a Sentence

adjective

British English

  • The rock contained a crinoid limestone full of fossil fragments.

American English

  • The crinoid structure of the fossil was beautifully preserved.

Usage

Meaning in Context

Business

Not used.

Academic

Used in biological, geological, and paleontological research and textbooks.

Everyday

Virtually never used.

Technical

Core term in marine biology, paleontology, and certain branches of geology.

Vocabulary

Synonyms of “crinoid”

Strong

echinoderm of the class Crinoidea

Weak

marine animalfossil organism

Vocabulary

Antonyms of “crinoid”

terrestrial animalvertebrate

Watch out

Common Mistakes When Using “crinoid”

  • Misspelling as 'crionid' or 'crinioid'.
  • Using it as a common noun outside a scientific context.
  • Confusing it with corals or other branching marine organisms.

FAQ

Frequently Asked Questions

They are animals, specifically marine invertebrates belonging to the phylum Echinodermata.

Yes, while many species are known from fossils, several hundred species of crinoids (feather stars) exist in modern oceans.

In paleontology or geology, when discussing fossilized remains, or in marine biology textbooks.

Yes, it can be used adjectivally to describe something resembling the form of a crinoid (e.g., 'crinoid limestone').

A marine animal belonging to a class of echinoderms that typically has a cup-shaped body with feathery arms.

Crinoid is usually technical, scientific in register.

Crinoid: in British English it is pronounced /ˈkrʌɪnɔɪd/, and in American English it is pronounced /ˈkraɪˌnɔɪd/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Imagine a CRINOID as a 'CRY NOID' (cry-no-id) - a creature that looks like it's made of crying (feathery) arms.

Conceptual Metaphor

A FEATHER/LILY IN THE SEA (structure), A LIVING FOSSIL (temporality).

Practice

Quiz

Fill in the gap
The museum's collection included a perfectly preserved from the Carboniferous period.
Multiple Choice

What is a 'crinoid'?