[ 'dɛkeɪd , dɪ'keɪd ]
■ noun
1》 a period of ten years.
2》 a set or group of ten.
↘a range of electrical resistances or other quantities spanning from one to ten times a base value.
3》 each of the five divisions of each chapter of the rosary.
Derivatives
decadal adjective
Origin
ME: via OFr. and late L. from Gk deka 'ten'.
Usage
The second pronunciation, with the stress on -cade (sounds like decayed ), is disapproved of by some traditionalists. However, it is now widely regarded as a standard alternative.