(chem) a catalyst for stereospecific chemical reactions See also Ziegler catalyst
[ster-ee-oh-spuh-sif-ik, steer-] /ˌstɛr i oʊ spəˈsɪf ɪk, ˌstɪər-/ adjective, Chemistry. 1. (of a reaction) producing a simple stereoisomer. 2. (of a polymer) having a regular sequence of configurations in space along the chain, resulting in the potential for close-packing of molecules and for partial or complete crystallinity. stereospecific /ˌstɛrɪəʊspɪˈsɪfɪk; ˌstɪər-/ adjective 1. (chem) relating to […]
- Stereospecific polymer
noun 1. an organic polymer in which the steric arrangements of groups on assymetric carbon atoms occur in a regular sequence. Many natural and synthetic rubbers are stereospecific polymers
noun, Biology. 1. movement of an organism in response to contact with a solid. stereotactic /ˌstɛrɪəˈtæktɪk; ˌstɪər-/ adjective 1. of or relating to stereotaxis 2. (med) of or relating to precise localization of a tissue, esp in the brain: stereotactic surgery noun 1. the movement of an organism in response to the stimulus of contact […]
- Stereotactic instrument
stereotactic instrument n. An apparatus attached to the head, used to localize precisely an area in the brain by means of coordinates related to intracerebral structures.