[1] : The Collaborative International Dictionary of English v.0.48

sodium bicarbonate \sodium bicarbonate\,
   a white crystalline substance, hnaco3, with a slight
   alkaline taste resembling that of sodium carbonate. it is
   found in many mineral springs and also produced
   artificially,. it is used in cookery, in baking powders, and
   as a source of carbonic acid gas carbon dioxide for soda
   water. called also baking soda, cooking soda,
   bicarbonate of soda, bicarb, saleratus, and
   technically, acid sodium carbonate, sodium acid
   carbonate, primary sodium carbonate, sodium dicarbonate,
   etc.
   1913 webster
see also:
hnaco3 baking soda cooking soda bicarbonate of soda bicarb saleratus 
acid sodium carbonate sodium acid carbonate primary sodium carbonate sodium dicarbonate 

[2] : WordNet (r) 2.0

bicarbonate of soda
     n : a white soluble compound nahco3 used in effervescent
         drinks and in baking powders and as an antacid syn: sodium
         hydrogen carbonate, sodium bicarbonate, baking soda,
          saleratus
see also:
sodium hydrogen carbonate sodium bicarbonate baking soda saleratus 

Soda >> S Words
Soda, definition of term: Soda
soda_pag1.html

Bicarbonate >> B Words
Bicarbonate, definition of term: Bicarbonate
bicarbonate_pag1.html

Soda Ash >> S Words
Soda Ash, definition of term: Soda Ash
soda+ash_pag1.html

Bicarbonate Of >> B Words
Bicarbonate Of, definition of term: Bicarbonate Of
bicarbonate+of_pag1.html

Soda Pop >> S Words
Soda Pop, definition of term: Soda Pop
soda+pop_pag1.html

Washing Soda >> W Words
Washing Soda, definition of term: Washing Soda
washing+soda_pag1.html

Caustic Soda >> C Words
Caustic Soda, definition of term: Caustic Soda
caustic+soda_pag1.html

Baking Soda >> B Words
Baking Soda, definition of term: Baking Soda
baking+soda_pag1.html