Depression is the medical term for depression. But there are different types of depression depending on the particular constellation of symptoms.
For instance a few include:
Dysthymia - a long term low level of depression
Anhedonia - loss of a sense of pleasure
Cyclothymia - a milder form of bipolar
Major depressive disorder - what most lay people call depression
Blacking out (less formal) or losing consciousness (more formal).
Cab you be a little more specific please. Depression is only a medical term
Fossa
antidepressant
Cytopenia is the medical term meaning low numbers of blood cells.
Cyclothymic
Anhedonia is the medical term meaning inability to feel pleasure. Anhedonia is a symptom of depression.
Hypersomnia means too much sleep. Hypersomnia can be a symptom of depression.
Seasonal affective disorder.
Bradykinesia is the medical term meaning slow movement. Bradykinesia may be seen in Parkinson's disease or depression.
Stoma is the medical term for mouth or opening.
Depression is the medical term meaning the act of lowering a body part. So opening your mouth is also depressing your mandible.