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 marking is the manufacturer's declaration that the product meets the requirements of the applicable EC directives. Officially, CE is an abbreviation of Conformite ConformitÃ©, europeenne EuropÃ©enne Meaning. European, CONFORMITY however ce originally  Stood For , Communaute communautÃ© Europeenne EuropÃ©enne. french for european communityE marking is mandatory for certain product groups within the European Economic Area (EEA; the 28 member states of the EU plus EFTA countries Iceland, Norway and Liechtenstein) plus Switzerland and Turkey.