zepto-
Syllables: zep·to-/ˈzɛp.təʊ̯-/US/ˈzɛp.toʊ̯-/
zepto- prefix: in the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁻²¹ (short scale sextillionth or long scale trilliardth).
Prefix
zepto-
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁻²¹ (short scale sextillionth or long scale trilliardth).
- Antonyms:
- zetta-
zepto- meaning in Tamil, Persian and Vietnamese
zepto- in Tamil
- செட்டோ
zepto- in Persian
- 10−21
- زپتو
zepto- in Vietnamese
- 10−21
- zép-tô, zep-tô, giép-tô
Antonyms of zepto-
Origin of zepto-
From Ancient Greek ἑπτᾰ́ (heptắ, “seven”), for the seventh order of 10⁻³. The final o conforms to the finals vowel of the SI series from micro- downwards; the letter z was added, as a start in a series of terms running backwards through the alphabet.
Words formed from zepto-
- zeptoampere
- zeptobecquerel
- zeptobel
- zeptocandela
- zeptoelectronvolt
- zeptofarad
- zeptogram
- zeptogray
- zeptohenry
- zeptojoule
- zeptokelvin
- zeptolux
- zeptometre
- zeptometer
- zeptomole
- zeptosecond
- zeptovolt
- zeptovoltampere
- zeptowatt
Questions about zepto-
- What does zepto- mean?
- Zepto- means in the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁻²¹ (short scale sextillionth or long scale trilliardth).
- What is zepto- in Tamil?
- Zepto- in Tamil is செட்டோ. See Zepto- meaning in Tamil.
- What part of speech is zepto-?
- Zepto- is a prefix.
- How do you pronounce zepto-?
- Zepto- is pronounced /ˈzɛp.təʊ̯-/ (UK).
Words near zepto- in the dictionary
Source and license
Adapted from Wiktionary: zepto- (page history and authors); zepto- (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-zepto-.wav.
Cite this entry: “zepto-.” Word.ws, https://word.ws/zepto-. Based on Wiktionary, CC BY-SA 4.0.
