tac·​toid ˈtak-ˌtȯid How to pronounce tactoid (audio)
: an elongated particle (as in a sickle cell, myosin, or fibrin) that appears as a spindle-shaped body under a polarizing microscope

Dictionary Entries Near tactoid

Cite this Entry

“Tactoid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tactoid. Accessed 25 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!