SECONDARY PERIOD Meaning and
Definition
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Secondary period refers to a distinct and identifiable period of time that follows and is subordinate to a primary period. It is typically used to describe a secondary, subsequent, or additional phase or stage that occurs after the completion of the initial or primary period. The term is often employed in various fields, including history, geology, biology, education, and economics, among others.
In historical context, a secondary period can refer to a specific era or time segment within a larger historical time frame. For instance, in geology, the secondary period refers to a major division of geologic time characterized by specific rock formations and fossil assemblages.
In education, the term may be used to describe the secondary level of education, such as secondary school or high school, which follows primary education. It implies the continuation of the learning process beyond the elementary or primary stage.
Additionally, in economic terms, a secondary period can represent a phase of economic activity where the production and manufacturing sectors play a significant role. This phase is often contrasted with the primary sector, which involves activities like farming, mining, and extraction.
Overall, the concept of a secondary period signifies a subsequent or additional phase that follows a primary period and is usually characterized by distinct features, functions, or characteristics specific to the field in which it is used.
Etymology of SECONDARY PERIOD
The word "secondary" comes from the Latin word "secundarius", which means "following" or "subsequent". "Period" comes from the Latin word "periodus", derived from the Greek word "periodos", which means "circle" or "orbit". In geological terms, a "secondary period" refers to a specific period of time during the Mesozoic Era, also known as the Age of Reptiles. The term "secondary" denotes that this period follows the preceding "primary" period, which is the Paleozoic Era or the Age of Invertebrates.
