Speakur

Word Pronunciation & Dictionary

c-decay

Word Rarity Rare

Frequency: Zipf frequency 3.82 in modern English

Syllables
c-de-cay
IPA
14
Scrabble Score
6
Letters
3
Syllables
5
Unique Chars

Meaning

noun

The discredited theory that the speed of light has decreased over time, proposed by creationists in order to support the belief that the universe is a few thousand years old even though there are objects visible today that are billions of light years away (whereas a constant speed of light would indicate that the universe is billions of years old and so contradict this belief).

Uncountable

Etymology

From c (“the symbol used in physics for the speed of light”) + decay.

Usage

Phrases

starlight problem

Frequently Paired Words

starlight problem

Questions

What does c-decay mean?
The discredited theory that the speed of light has decreased over time, proposed by creationists in order to support the belief that the universe is a few thousand years old even though there are objects visible today that are billions of light years away (whereas a constant speed of light would indicate that the universe is billions of years old and so contradict this belief).
Where does c-decay come from?
From c (“the symbol used in physics for the speed of light”) + decay.

How to pronounce c-decay

  1. Open the pronunciation page — Open the Speakur entry for “c-decay”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “c-decay”.
  4. Repeat and practice — Say “c-decay” aloud, matching stress and vowels until it feels natural.