zepto-
pref.（前缀）
语源
pref.（前缀）
- One sextillionth (10-21):
仄普托，10的负21次幂：
zeptosecond.
仄普托秒
语源
- From alteration of Latin septem [seven] [from its representing the seventh power of a thousandth] * see septet
From alteration of Latin septem [seven] [from its representing the seventh power of a thousandth] *参见 septet
zepto-
1
a combining form meaning “one sextillionth” (10 -21).
zepto-/ˈzɛptoʊ/ (say 'zeptoh)
a prefix denoting 10-21 of a given unit, as in zeptohertz. Symbol: z See zetta-.
[alteration of septi-1, from the 7 in 10(7 × -3)]zep·to-
combining form
zeptosecond
combining form
ETYMOLOGY International Scientific Vocabulary, probably alteration of hepta-; from the fact that 1021 is the seventh power of 103
: one sextillionth (10-21) part ofzeptosecond
zepto-
combining form
- (used in units of measurement) denoting a factor of 10-21（用于度量单位）表示“仄（普托）”（系数为10-21）：
-
zeptosecond.
词源
adapted from SEPTI- , on the pattern of combining forms such as peta- and exa-.
zepto-
combining form
Etymology: International Scientific Vocabulary, blend of zetta- (herein) and hepta-
: one sextillionth (10-21) part of
< zeptosecond >
< zeptosecond >
zepto-
Etymology
Greek (h)epta- (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.
Prefix
| SI prefix | ||
| z | ||
| Previous: | yocto- | |
| Next: | atto- | |
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−21. Symbol: z