ultrashort

== English == === Etymology === From ultra- +‎ short. === Adjective === ultrashort (not comparable) (technical or informal) Very short. ultrashort skirts (sciences) Extremely short in duration, typically on the femtosecond scale an ultrashort pulse (physics, of a wave) Having a wavelength of between 1 and 10 metres (finance) Having a very short term of investment, typically less than a year an ultrashort bond ==== Synonyms ==== (very short): megashort ==== Related terms ==== ultrafast hypershort supershort ==== Translations ==== ==== See also ==== Ultrashort pulse on Wikipedia.Wikipedia === Noun === ultrashort (plural ultrashorts) (finance) A bond with an extremely short term, typically less than a year