Spinster tags "spinster" (meaning "...unmarried woman, typically an older woman beyond the usual age for marriage") as "derogatory" and "a good example of the way in which a word acquires strong connotations to the extent that it can no longer be used in a neutral sense." The 1828 and 1913 editions of "Merriam Webster's Dictionary" defined spinster in two ways: "1. A woman who spins, or whose occupation is to spin. 2. Law: An unmarried or single woman." By the 1800s, the term had evolved to include women who chose not to marry. During that century middle-class spinsters, as well as
White certificates White certificates In environmental policy, white certificates are documents certifying that a certain reduction of energy consumption has been attained. In most applications, the white certificates are tradable and combined with an obligation to achieve a certain target of energy savings. Under such a system, producers, suppliers or distributors of electricity, gas and oil are required to undertake energy efficiency measures for the final user that are consistent with a pre-defined percentage of their annual energy deliverance. If energy producers do not meet the mandated target for energy consumption they are required to pay a penalty. The white certificates are