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Regulate | Vocabulary | Khan Academy


2m read
·Nov 10, 2024

All right wordsmiths, what's up? The word of the day today is "regulate." It means to make rules that control something. I'll throw in a 10-second music break. Tell me if you can identify any other common English words that start with "Reg."

Alright, here we go, music break. [Music]

All right, so some related words are "regular," "regiment," "regime." All of these words are related to control or order. "Regulate" comes from the Latin root "reg," meaning straight, like a ruler. Something that's regular follows a rule or a pattern—it's predictable.

So, something that is regulated has been controlled by a rule—that's what that eight part means. It's a word part that makes verbs because "regulate" is a verb; it's an action word. So, let's use "regulate" in some sentences. You can use it in a literal sense like this: "This valve regulates how much fuel goes into the engine." It is literally controlling the rate of fuel release.

But you can also use "regulate" to refer to lawmaking, and I can use another word part to make this verb into a noun. So, okay, we've got the word "regulate," and let me lop off the “e” on the end and add “i-o-n,” and now it's a noun: "regulation." Another word for a legal rule.

State regulations only allow you to catch three fish a week. So here's two fisherfolk: dude, this woman has three fish, so she's fine. This man has four fish, so, uh, he's probably gonna get a fine from Fish and Wildlife because he didn't adhere to the regulations. Sorry, pal, you've been canceled by the government.

All right, you can learn anything. David out.

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