Noun, する verb, and の adjective
ちえん
バスの大幅な遅延により会議に遅れてしまった。
The bus was delayed for a long time and I missed the meeting.
I was too slow, so we'll have to prolong the time in which this product will come out. This is a delay :(
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.