Definition of regulate
1a : to govern or direct according to ruleb (1) : to bring under the control of law or constituted authority (2) : to make regulations for or concerning regulate the industries of a country
2 : to bring order, method, or uniformity to regulate one's habits
3 : to fix or adjust the time, amount, degree, or rate of regulate the pressure of a tire
regulativeplay \-ˌlā-tiv\ adjective
regulatoryplay \-lə-ˌtȯr-ē\ adjective
Examples of regulate in a Sentence
The dam regulates the flow of water into the river.
We need better laws to regulate the content of the Internet.
Laws have been made to regulate working conditions.
The government regulates how much lead may be found in our water supply.
The department regulates foreign trade.
Recent Examples of regulate from the Web
To perform the experiment, scientists need a supply of tritium—a highly radioactive isotope of hydrogen produced in certain nuclear reactors that's tightly regulated because of its potential health hazards and weapons applications.
Those above that line can get tax credits to cover their insurance, which is sold on exchanges that are regulated to ensure people with expensive medical needs can’t be excluded or charged higher prices.
Ohio House Republicans initially proposed regulating Medicaid expansion more carefully rather than killing it outright.
The patient received a blood transfusion, and she was prescribed oral contraceptive pills to slow the bleeding and regulate her cycle.
Staff was directed to prepare an ordinance regulating the sale of dogs, cats and rabbits; and the council adjusted guidelines for use of the community room at the L’Auberge hotel.
The service eventually determined a valve that regulated oxygen flow into the Raptor pilot’s pressure vest was too weak to prevent the vest from inflating unnecessarily and restricting the pilot’s ability to breathe.
The agency does regulate the price of out-of-state calls for prisoners.
Or the party could use its power to challenge the Parades Commission, the body that regulates the triumphant street demonstrations loyalists regard as a treasured part of their culture but that often antagonize their nationalist neighbors.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'regulate'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of regulate
Middle English, from Late Latin regulatus, past participle of regulare, from Latin regula rule
First Known Use: 15th centurySee Words from the same year
REGULATE Defined for English Language Learners
Definition of regulate for English Language Learners
: to set or adjust the amount, degree, or rate of (something)
: to bring (something) under the control of authority
: to make rules or laws that control (something)
REGULATE Defined for Kids
Definition of regulate for Students
1 : to bring under the control of authority : make rules concerning Laws regulate water quality.
2 : to control the time, amount, degree, or rate of The dam regulates water flow.
3 : to bring order or method to The program is regulated well.
Medical Definition of regulate
1: to control or direct according to rule or law regulate the testing of experimental drugs
2: to fix or adjust the time, amount, degree, or rate of
regulatory\-lə-ˌtōr-ē, -ˌtȯr-\play adjective
Legal Definition of regulate
1 : to govern or direct according to rule
2a : to bring under the control of law b : to make regulations for or concerning
Seen and Heard
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