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A pipette is a precise instrument used in laboratory settings to measure, transfer, and dispense small volumes of liquid. It is commonly used in scientific disciplines such as chemistry, biology, and medicine to ensure accurate handling of liquids for experiments or analyses. A pipette typically consists of a long, narrow tube that can either be manually operated or automated. The instrument is designed to hold liquid at precise volumes, with markings or digital readouts indicating the amount. Different types of pipettes are used for varying volume ranges, with micropipettes used for very small volumes (nanoliters to microliters) and graduated pipettes used for larger volumes (milliliters). Pipettes are crucial for ensuring repeatability and accuracy in experiments, where the exact measurement of liquids is required.