short·en 
/ˈʃoɚtn̩/ verb
short·ens; short·ened; short·en·ing /ˈʃoɚtn̩/ verb 1 [no obj] : to become shorter
▪ The days have begun to shorten. [=last for a smaller amount of time] 2 [+ obj] : to make (something) shorter
▪ shorten a pair of pants ▪ He had to shorten the speech. ▪ Not changing the oil regularly will shorten the life of the engine. [=will cause the engine to fail sooner] ▪ “Franklin D. Roosevelt” is often shortened to “FDR.”
▪ The days have begun to shorten. [=last for a smaller amount of time]
▪ shorten a pair of pants ▪ He had to shorten the speech. ▪ Not changing the oil regularly will shorten the life of the engine. [=will cause the engine to fail sooner] ▪ “Franklin D. Roosevelt” is often shortened to “FDR.”
— shortened adjective
▪ “I've” is the shortened form of “I have.” ▪ I heard a shortened version of the song on the radio.
▪ “I've” is the shortened form of “I have.” ▪ I heard a shortened version of the song on the radio.
