glucan glu·can (gl&oomacr;'kān', -kən)
n.
A polysaccharide, such as cellulose, that is a polymer of glucose.
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |