n. 1. Biology The growing together of related parts, tissues, or cells. 2. The amassing of physical particles. [Latin concrēscentia, from concrēscēns, concrēscent-, present participle of concrēscere, to grow together; see CONCRETE.] con·crescent adj. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.