Polysemy Two processes leading to polysemy: Radiation(词义辐射)&Concatenation(词义连锁) Radiation: a semantic process in which the primary or centra/meaning stands at the center while secondary meanings radiate from it in every direction like rays.(see the example in the textbook)Polysemy • Two processes leading to polysemy: Radiation (词义辐射) & Concatenation (词义连锁) Radiation: a semantic process in which the primary or central meaning stands at the center while secondary meanings radiate from it in every direction like rays. (see the example in the textbook)