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To gather or collect data, information, or physical samples systematically for research or analysis.

To establish firmly or permanently; often used for theories, status, laws, or goals.

To go far down into something or to study something thoroughly and comprehensively. It describes reaching the core or essence of a matter.

To make something lower in level, amount, or value. It is commonly used in discussions about costs, risks, temperatures, or rates.

A specific point or argument used to support a main idea or theory in an academic context. It is the building block of an essay.

To roughly calculate or judge the value, number, quantity, or extent of something. It is frequently used when discussing future trends or unknown data.

To inspect, investigate, or examine something thoroughly, often through site visits or research. In education, it can also mean to test or assess knowledge.

To make changes to a text, plan, or theory in order to improve it or make it more accurate. It is an academic way of saying 'revise' or 'correct'.

A piece or segment of something that is combined with others to make up a whole. It can refer to physical parts or abstract sections.

A distinguishing feature or characteristic that makes something unique or identifiable.