He went … primarily used to indicate the end of a sentence. the era of global communications age is used frequently of a fairly definite period dominated by a prominent figure or feature. It appears as a single dot on the bottom line of the text, and it comes immediately after the last word of the sentence without a space. the steam engine marked a new epoch in industry era suggests a period of history marked by a new or distinct order of things. period noun [C] (TIME) a length of time : Her work means that she spends long periods away from home. A period of history is a specific time frame containing common characteristics. A particular length of time in history is sometimes called a period. The period (also known as a full stop, especially in British English) is a punctuation mark (.) Unemployment in the first half of the year was 2.5 percent lower than in the same period the … The novel is set in the Roman period. noting, pertaining to, evocative of, imitating, or representing a historical period or the styles current during a specific period of history: period costumes; a period play. No reference to their existence appears in any literature of the period. A period in the life of a person, organization, or society is a length of time which is remembered for a particular situation or activity....a period of economic good health and expansion. For example, you can talk about the Civil War period or the Prohibition period in the U.S. the age of Samuel Johnson Examples of period in … 1. a stage in the history of a culture having a definable place in space and time Familiarity information: HISTORICAL PERIOD used as a noun is very rare.