Noun

(wikipedia lighting) (en noun)

The equipment used to provide illumination; the illumination so provided.

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= Yesterday’s fuel , passage=The dawn of the oil age was fairly recent. Although the stuff was used to waterproof boats in the Middle East 6,000 years ago, extracting it in earnest began only in 1859 after an oil strike in Pennsylvania.

The act of activating such equipment, or of igniting a flame etc.

* 2012 , Andrew Pessin, Uncommon Sense (page 142)

We've observed plenty of strikings followed by lightings , so even if we should not say that the strikings cause the lightings, isn't it at least reasonable to predict, and to believe, that the next time we strike a match in similar conditions, it will be followed by a lighting?

The process of annealing metals.

(Webster 1913)

Noun

(en noun)

An instance of descending

We climbed the mountain with difficulty, but the descent was easier.

* 2012 , July 15. Richard Williams in Guardian Unlimited, Tour de France 2012: Carpet tacks cannot force Bradley Wiggins off track

The next one surrendered his bike, only for that, too, to give him a second flat as he started the descent .

A way down.

We had difficulty in finding the correct descent .

A sloping passage or incline.

The descent into the cavern was wet and slippery.

Lineage or hereditary derivation

Our guide was of Welsh descent .

A drop to a lower status or condition.

After that, the holiday went into a steep descent .