olemus
kvalitatiivne või kvantitatiivne kaotsiminek,
täielik (näiteks jätkusuutlikkuse kadu) või
osaline (näiteks soojakadu)

Wiktionary:
1. (countable) the result of no longer possessing an object, a function, or a characteristic due to external causes or misplacement
Antonym: gain
loss of limb; weight loss; loss of cognitive functions; loss of appetite.
In other areas, glacier loss creates serious risk of a dry period across the Third Pole, Wang said.
2. (uncountable) the destruction or ruin of an object
3. (countable) something that has been destroyed or ruined
It was a terrible crash; both cars were total losses.
4. (countable) defeat; an instance of being defeated
Antonyms: win, victory
The match ended in their first loss of the season.
5. (countable) the death of a person or animal
We mourn his loss.
The battle was won, but losses were great.
6. (uncountable) the condition of grief caused by losing someone or something, especially someone who has died
Her daughter's sense of loss eventually led to depression.
8. (engineering) electricity of kinetic power expended without doing useful work
The inefficiency of many old-fashioned power plants exceeds 60% loss before the subsequent losses during transport over the grid.

näiteid
absolute total loss -- vara täielik hävimine
loss angle -- kaonurk
loss factor -- kaotegur
loss in value -- väärtuse langus
loss of a ship -- laevahukk
loss of an organ -- elundi kaotus
loss of citizenship -- kodakondsuse kaotus
loss of current -- vooluleke
loss of earning capacity -- töövõime kaotus
loss of effect -- kehtivuse kaotamine
loss of faculty -- töövõimekaotus
loss of possession -- valduse kaotamine
loss of profit -- saamata jäänud tulu
loss of supply -- toitekatkestus
loss of voltage -- pingekaotus
loss of weight -- kaalukadu
loss power -- kaovõimsus
natural loss -- loomulik kadu
lost property -- kaotatud omand
lost property reward -- leiutasu
partial loss -- kindlustatu osaline hävimine
total loss -- kindlustatu täielik hävimine

vt ka
- allakadu
- andmekadu
- kadudega kodeerimine
- kadudega tihendus
- kadudeta tihendus
- paketikadu
- usalduse kaotus