radiography

| Lat. radius =a ray, and Gr. grapho to write.] The art or proce of producing shadow-pictures of objects by the action of Roentgen or Xrays upon certain sensitive salts. ra-di-ô-la, s. [Lat. radiolus dim in. from ra dius =aray. Named from the radiatory branches.] Bot.: All-seed, Flax-seed; a genus of Linacee. Sepals four, two to four-toothed; petals four, fugacious; stamens four. rā-di-o-lär-i-a, s . pl . [Mod. Lat., from radiola (q. v.).] 1. Zool .: According to E. Ray Lankester, a cla of Protozoa, consisting of Gymnomyxa in which the protoplasmic body of the dominant ameba phase has the form of a sphere or cone (from the surface of which radiate filamentous pseudopodia, occasionally anastomosing), and incloses a spherical or cone-shaped perforated shell of membranous con