Definition of "biconvex" [bi•con•vex]

• Convex on both sides or surfaces: a biconvex disk. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Carton containing a blister strip containing 21 yellow film-coated biconvex tablets and 7 white film-coated biconvex tablets calender pack."
• "On the biconvex hieroglyphic seal found at Troy, see J."
• "(Gr. [Greek: kissos], ivy), biconvex; xystroidal or sistroidal (Gr. [Greek: xystris], a tool for scraping), concavo-convex; amphicoelic"