Celluloid, the first synthetic plastic material, developed in the 1860s and 1870s from a homogeneous colloidal dispersion of nitrocellulose and camphor.
The meaning of AD is Anno Domini or Year of our Lord referring to the year of Christâs birth. The meaning of BC is Before Christ. CE is a recent term. It refers to Common Era and is used in place of A.D. the dates are the same i.e., 2009 AD is 2009 CE. BCE means Before Common Era. For example 400 BC is 400 BCE.
The CE Mark â what does it really mean? CE stands for the French phrase ConformitÃ© EuropÃ©ene which literally means European Conformity (catching on yet?). CE is a mandatory mark for certain product groups in order for them to be sold on the European market â specifically into the EU. The requirements are set out in European Directives (similar to Australiaâs Regulations and Acts) that cover health, safety and environmental protection legislation.