Sözlükte "ca" ne demek?
1. Kalsiyum'un simgesi.
Ca kelimesinin ingilizcesi
[ca (circa) ] n. around, approximately (used especially with dates)
n. silvery metallic element present in the earth as well as in most animals and plants
n. id, unconscious part of the psyche which is associated with instinctive impulses (Psychoanalysis)