exa-
pref.（前缀）
语源
pref.（前缀）
- One quintillion (1018):
艾可萨：10的18次幂：
exahertz.
艾可萨赫兹
语源
- Alteration of hexa- [from its representing the sixth power of a thousand]
Alteration of hexa- [from its representing the sixth power of a thousand]
exa-
prefix
denoting 1018 ⇒
exametresE
exa-
Word Origin
1
a combining form used in the names of units of measure equal to one quintillion (10 18) of a given base unit:
exabyte.
Origin
probably ≪ Greek exō- outside, out of
Related Word
- exabyte
exa-a prefix denoting 1018 of a given unit, as in exahertz. Symbol: E
[alteration of hexa-, from the 6 in 10(6 × 3)]exa-
combining form
exajoule
combining form
ETYMOLOGY International Scientific Vocabulary, modification of Greek hexa- hexa-
: quintillion (1018)exajoule
exa-
combining form
- (used in units of measurement) denoting a factor of 1018（用于度量单位）表示“百亿亿”（10的18次幂）：
-
exajoule.
词源
from （h）exa- （see HEXA- ）, based on the supposed analogy of tera- and tetra-.
exa-
quintillion (10^18):
quintillion (10^18):
exabytes, exajoules
ORIGIN: from h)exa- tera- , tetra- : cf. peta-
exa-
combining form. one quintillion (1018) _____: Exavolt = one quintillion volts.
[perhaps alteration of Greek exō- outside, exo-]
exa-
combining form
Etymology: International Scientific Vocabulary, modification of Greek hexa- hexa-
: quintillion
< exajoules >
< exajoules >
exa-
Etymology
From Ancient Greek ἕξ (héx, “six”), for the sixth order of 103.
Prefix
| SI prefix | ||
| E | ||
| Previous: | peta- | |
| Next: | zetta- | |
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 1018, a quintillion. Symbol: E
Antonyms
Derived terms
English words prefixed with exa-