Atto-
a combining form that enters into compounds denoting a unit one-quintillionth (10 −18) the size of the unit named by the stem.
prefix
denoting 10–18: attotesla, a
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).
atto- pref.
one quintillionth (10-18): attometer.
prefix
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noun a high-power laser capable of producing pulses with a duration measured in attoseconds
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attop-rs-c unit, humour about 31 mm (one inch). “atto-” is the standard si prefix for multiplication by 10^-18. a p-rs-c (parallax-second) is 3.26 light-years; an attop-rs-c is thus 3.26 – 10^-18 light years. thus, one attop-rs-c per microfortnight is about one inch per second. this unit is reported to be in use (though probably not […]
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noun the physics of structures and artefacts with dimensions in the attometre range or of devices, such as lasers, capable of producing pulses with a duration measured in attoseconds
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to acknowledge the relation of a tenant to a new landlord. to turn over to another; transfer. verb (intransitive) (law) to acknowledge a new owner of land as one’s landlord (feudal history) to transfer allegiance or do homage to a new lord v. late 13c., anglo-french, “to turn over to another,” from old french atorner […]
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an officer of the court authorized to appear before it as a representative of a party to a legal controversy. contemporary examples she served as a social worker, lecturer and educator before becoming an attorney-at-law. 2012 summit: who’s on stage march 5, 2012 historical examples we cannot for the small business transactions of life be […]