he·mat·ic I. \hēˈmad.]ik, -at], ]ēk\adjective Etymology: Greek haimatikos, from haimat- hamat- + -ikos -ic 1.: of or relating to blood 2.: containing blood < a hematic cyst > 3.: involving or affecting the blood < a hematic crisis > 4.: having the color of blood : sanguineous II. noun (-s) : hematinic