| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
cellulose cel·lu·lose (sěl'yə-lōs', -lōz')
n.
A complex carbohydrate that is composed of glucose units, forms the main constituent of the cell wall in most plants, and is important in the manufacture of numerous products, such as pharmaceuticals.
cellulose (sěl'yə-lōs') Pronunciation Key
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A stringy, fibrous substance that forms the main material in the cell walls of plants. Cellulose is an organic molecule, composed of carbon, hydrogen, and oxygen.