Ultrashort definition

ŭltrə-shôrt
Of extremely short duration.

An ultrashort flash.

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Extremely short.

An ultrashort skirt.

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Of or relating to fixed-income investments with extremely short maturities, usually less than one year.
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Of or relating to radio waves with a wavelength less than 10 meters (33 feet).
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Of or relating to optical pulses with typical durations of femtoseconds.
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Very short; specif., designating or of radio waves shorter than 10 meters in wavelength and above 30 megahertz in frequency.
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Very short.

Ultrashort skirts.

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(sciences) Extremely short in duration, typically on the femtosecond scale.

An ultrashort pulse.

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(physics, of a wave) Having a wavelength of between 1 and 10 metree.
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(finance) Having a very short term of investment, typically less than a year.

An ultrashort bond.

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(finance) A bond with an extremely short term, typically less than a year.
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Other Word Forms

Noun

Singular:
ultrashort
Plural:
ultrashorts

Origin of ultrashort

  • ultra- +"Ž short

    From Wiktionary