ultrashort

American  

[uhl-truh-shawrt] / ˌʌl trəˈʃɔrt /

adjective

1. extremely short.

2. (of a wavelength) smaller than 10 meters.

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ultrashort British  

/ ˌʌltrəˈʃɔːt /

adjective

1. (of a radio wave) having a wavelength shorter than 10 metres

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Etymology

Origin of ultrashort

First recorded in 1925–30; ultra- + short

Example Sentences

The graphene samples were illuminated with rapid bursts of light and then examined with a delayed pulse to follow how the electrons responded over ultrashort timescales.

From Science Daily

"It can replace large and expensive laser systems with high power losses, which were previously required to amplify ultrashort pulses."

From Science Daily

Lasers that produce ultrashort light pulses deliver exceptional precision for manufacturing, medicine, and scientific studies.

From Science Daily

This crystal drives the process by transferring energy from the pump beam to the ultrashort signal pulse.

From Science Daily

If an investor is choosing between a money-market ETF and an ultrashort bond fund, Kashner says investors need to look at the holdings, as some ultrashort bond ETFs may have a degree of credit risk.

From Barron's