English to English

noun (n)

• a simple water-soluble protein found in many animal tissues and liquids(noun.substance)

  Synonym:
  albumen
  

  source: wordnet30
• A thick, viscous nitrogenous substance, which is the chief and characteristic constituent of white of eggs and of the serum of blood, and is found in other animal substances, both fluid and solid, also in many plants. It is soluble in water and is coagulated by heat and by certain chemical reagents.(noun)

  source: webster1913