pipette

/pi'pet/

Thân thiện

A scientist uses a pipette to transfer a clear liquid into a test tube.

Definition

1. Noun:
   • A pipette is a laboratory tool, typically a slender glass or plastic tube, used to accurately measure and transfer a specific volume of liquid. It often has a bulb or other mechanism at one end to create suction for drawing the liquid into the tube.

Usage Examples

• Noun:
  • The scientist used a pipette to add exactly 5 milliliters of the reagent to the test tube.
  • Always dispose of used pipette tips in the appropriate biohazard container.
  • For this experiment, you will need a graduated pipette to measure the samples.

Advanced Usage

• "to pipette" (verb, less common): The act of using a pipette to transfer liquid.
  • Please pipette 100 microliters of the solution into each well of the plate.
• "serological pipette": A type of pipette often used in biology and serology for measuring and transferring larger volumes of liquid, typically with graduations along its length.
  • Use a serological pipette to transfer the cell culture medium.

Variants and Related Words

• Pipet: An alternative spelling for pipette.
• Micropipette (n): A very precise pipette used to measure extremely small volumes, typically in the microliter range.
  • The DNA sample was measured using a micropipette.
• Pipettor (n): A device, often mechanical or electronic, used to operate a pipette and control suction.
  • She adjusted the volume setting on the pipettor.

Synonyms

• Dropper: A simpler device for transferring small amounts of liquid drop by drop, but generally less precise than a pipette.
• Liquid dispenser: A broader term for any device used to dispense liquids.

Related Phrases

• Pipette tip: The disposable plastic tip attached to the end of many modern pipettes to prevent cross-contamination.
  • Remember to change the pipette tip between samples.
• Pipette filler: A bulb or pump device used to create suction for drawing liquid into a traditional glass pipette.
  • Attach the pipette filler to the top of the glass pipette before use.

Học thuật

Noun

1. measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube

Từ đồng nghĩa

• pipet