Plural of Radius: Radii or Radiuses? (The One-Second Rule)
If you’re wondering about the plural of radius, you’re not alone. This is one of those grammar questions that looks simple but causes confusion. The short answer is: both radiiand radiusesare correct. Yes—English allows two plural forms for the word radius. Here’s the quick answer most people are looking for. Radii is the traditional plural, … Read more
