Chemical Description. Sodium carbonate is a sodium salt of carbonic acid and a strong base. It is supplied as a white, odorless powder that is hygroscopic and very soluble in water producing a strong alkaline solution.
v. walked, walkÂ·ing, walks. v.intr. 1. To move over a surface by taking steps with the feet at a pace slower than a run: a baby learning to walk; a horse walking around a riding ring. 2. a. To go or travel on foot: walked to the store.
Wiktionary (0.00 / 0 votes) Rate this definition: walker (Noun). : a person who walks or a thing which walks, especially a pedestrian or a participant in a walking race. walker (Noun). A walking frame. walker (Noun). A shoe designed for comfortable walking. walker (Noun).