centillion: meaning, definition, pronunciation and examples
Very LowFormal, Technical, Literary
Quick answer
What does “centillion” mean?
The cardinal number equal to 10^303 in the short scale system (used in the US and modern British English), or 10^600 in the long scale system (used in some European countries).
Audio
Pronunciation
Definition
Meaning and Definition
The cardinal number equal to 10^303 in the short scale system (used in the US and modern British English), or 10^600 in the long scale system (used in some European countries).
An extremely large, often hyperbolic number used to denote an unimaginably vast quantity, typically in figurative or rhetorical contexts.
Dialectal Variation
British vs American Usage
Differences
Historically, British English used the long scale (10^600), but since the mid-20th century, the short scale (10^303) has become standard in both countries. The word is equally rare in both varieties.
Connotations
Identical connotations of an unimaginably large number.
Frequency
Extremely rare in both varieties, found primarily in discussions of large numbers, mathematics, or as a rhetorical flourish.
Grammar
How to Use “centillion” in a Sentence
[determiner] + centillion + [of + plural noun][verb] + centillion + [noun]Vocabulary
Collocations
Examples
Examples of “centillion” in a Sentence
verb
British English
- (No standard verb form exists)
American English
- (No standard verb form exists)
adverb
British English
- (No standard adverb form exists)
American English
- (No standard adverb form exists)
adjective
British English
- The centillion figure was purely theoretical.
- He made a centillion-to-one bet.
American English
- The centillion calculation overwhelmed the computer.
- She faced centillion odds.
Usage
Meaning in Context
Business
Virtually never used. Might appear hyperbolically in marketing: 'We've analyzed a centillion data points.'
Academic
Used in mathematics, particularly in discussions of large number naming conventions or combinatorics.
Everyday
Extremely rare. Used for humorous or dramatic exaggeration: 'I've told you a centillion times.'
Technical
Used in theoretical mathematics, cosmology (e.g., number of particles in a multiverse hypothesis), or cryptography.
Watch out
Common Mistakes When Using “centillion”
- Using it as if it were a real, calculable quantity in everyday contexts.
- Confusing it with 'centenary' (100 years).
- Misspelling as 'centilion' or 'sentillion'.
- Assuming it has a standard, universally agreed-upon value.
FAQ
Frequently Asked Questions
In modern English (using the short scale), it is 10^303 (1 followed by 303 zeros). Historically, in the long scale, it was 10^600.
Yes, it is a defined cardinal number in the naming system for large numbers, but it is so large it has no practical application in everyday or most scientific calculations. It is a theoretical construct.
In the short scale system, the next named number is 'centillion one', but the next -illion is 'uncentillion' (10^306). The naming system continues systematically.
It would sound very unusual and overly formal or deliberately humorous. For casual exaggeration, words like 'zillion', 'jillion', or 'squillion' are more common and natural.
The cardinal number equal to 10^303 in the short scale system (used in the US and modern British English), or 10^600 in the long scale system (used in some European countries).
Centillion is usually formal, technical, literary in register.
Centillion: in British English it is pronounced /sɛnˈtɪl.i.ən/, and in American English it is pronounced /sɛnˈtɪl.jən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Not one in a centillion”
- “A centillion to one chance”
Learning
Memory Aids
Mnemonic
Think of a CENTury (100) combined with a mILLION, but it's vastly bigger. A 'centillion' has a 'cent' (hint of hundreds) and is a 'zillion' times bigger.
Conceptual Metaphor
NUMBER IS SIZE / QUANTITY IS VASTNESS. Used to metaphorically represent the concept of an incomprehensible limit or extreme abundance.
Practice
Quiz
In which context is 'centillion' MOST appropriately used?