laboratory
noun
lab·o·ra·to·ry
ˈla-b(ə-)rə-ˌtȯr-ē 
sometimes ˈla-bər-ˌtȯr-,
or ˈla-bə-ˌtȯr-,
or lə-ˈbȯr-ə-ˌtȯr-
plural laboratories
often attributive
1
a
: a place equipped for experimental study in a science or for testing and analysis
a research laboratory
broadly
: a place providing opportunity for experimentation, observation, or practice in a field of study
b
: a place like a laboratory for testing, experimentation, or practice
That area is a laboratory for cultivating the germ of terrorism.
2
: an academic period set aside for laboratory work
a course of study requiring two lectures and one laboratory per week
Examples of laboratory in a Sentence
experiments conducted in a modern laboratory
Recent Examples on the Web
But the clues as to what was happening were written on the images, allowing mission personnel to experiment on a clone of the camera, in a laboratory setting.
—
Ethan Siegel, Big Think, 3 Sep. 2025
The company offers unique perks, like free laboratory testing at any of Labcorp’s 2,000 Patient Service Centers, along with more traditional benefits such as a health savings account, tuition reimbursement and medical, dental and life insurance options.
—Haniya Rae, Forbes.com, 3 Sep. 2025
The Tarrant County Medical Examiner’s Office sent forensic evidence to Othram’s laboratory, to identify the man in the summer of 2024.
—Shambhavi Rimal, Fort Worth Star-Telegram, 3 Sep. 2025
Barbabella said that there was no evidence of deep vein thrombosis or arterial disease, and that all laboratory testing results were within normal limits.
—Jenna Sundel
gabe Whisnant, MSNBC Newsweek, 2 Sep. 2025
See All Example Sentences for laboratory
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Ethan Siegel, Big Think, 3 Sep. 2025
The company offers unique perks, like free laboratory testing at any of Labcorp’s 2,000 Patient Service Centers, along with more traditional benefits such as a health savings account, tuition reimbursement and medical, dental and life insurance options.
—Haniya Rae, Forbes.com, 3 Sep. 2025
The Tarrant County Medical Examiner’s Office sent forensic evidence to Othram’s laboratory, to identify the man in the summer of 2024.
—Shambhavi Rimal, Fort Worth Star-Telegram, 3 Sep. 2025
Barbabella said that there was no evidence of deep vein thrombosis or arterial disease, and that all laboratory testing results were within normal limits.
—Jenna Sundel
gabe Whisnant, MSNBC Newsweek, 2 Sep. 2025
See All Example Sentences for laboratory
Cite this Entry
“Laboratory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laboratory. Accessed 8 Sep. 2025.
Copy CitationKids Definition
laboratory
noun
lab·o·ra·to·ry
ˈlab-(ə-)rə-ˌtōr-ē
-ˌtȯr-
-ˌtȯr-
plural laboratories
: a place equipped for making scientific experiments and tests
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