atto-
pref.（前缀）
语源
pref.（前缀）
- One quintillionth (10-18):
阿（托）：十的负十八次方（10-18）：
attotesla.
十的负十八次方
语源
- From Danish
源自 丹麦语 - or Norwegian atten [eighteen]
或 挪威语 atten [十八] - from Old Norse āttjān * see oktō(u)
源自 古斯堪的纳维亚语 āttjān *参见 oktō(u)
atto-
prefix
denoting 10–18 ⇒
attoteslaa
Origin
from Norwegian, Danish atten eighteenatto-
Word Origin
1
a combining form that enters into compounds denoting a unit one-quintillionth (10 −18) the size of the unit named by the stem.
Origin
< Danish or Norwegian att(en) eighteen + -o-
atto-a prefix denoting 10-18 of a given unit, as in attometre. Symbol: a
[Danish or Norwegian atter eighteen, from Old Norse āttjān]at·to-
\\\\ˈa-(ˌ)tō\\\\ combining form
attogram
\\\\ˈa-(ˌ)tō\\\\ combining form
ETYMOLOGY International Scientific Vocabulary, from Danish or Norwegian atten eighteen, from Old Norse āttjān; akin to Old English eahtatīene eighteen
: one quintillionth (10-18) part ofattogram
atto-
combining form
- (used in units of measurement) denoting a factor of 10-18（计量单位）表示“阿托”, “微微微”, “百亿亿分之一(=10-18)”：
-
attowatt.
词源
from Danish or Norwegian atten 'eighteen'.
atto-
word-forming element meaning "one quintillionth," 1962, from Danish atten "eighteen" (a quintillion is 10 to the 18th power), related to Old English eahtatene (see eighteen).
ORIGIN: from Danish or Norwegian atten eighteen: see -o-
atto-
combining form. one quintillionth (10-18) of a _____: Attofarad = one quintillionth of a farad.
[< Danish atten eighteen]
at·to-
\¦ad.(ˌ)ō, ¦atə\ combining form
Etymology: International Scientific Vocabulary, from Danish or Norwegian atten eighteen (from Old Norse āttjān) + -o- — more at eighteen
: one quintillionth (10-18) part of
< attogram >
< attogram >
atto-
Etymology
From Danish atten (“eighteen”).
Prefix
| SI prefix | ||
| a | ||
| Previous: | zepto- | |
| Next: | femto- | |
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−18. Symbol: a
Antonyms
Derived terms
English words prefixed with atto-