🔍 牛津詞典
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典 🎯

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
TOEFL IELTS BNC: 7090 COCA: 9413

radius

noun

ra·​di·​us ˈrā-dē-əs How to pronounce radius (audio)
plural radii ˈrā-dē-ˌī How to pronounce radius (audio) also radiuses
1
: a line segment extending from the center of a circle or sphere to the circumference or bounding surface
2
a
: the bone on the thumb side of the human forearm
also : a corresponding part of vertebrates above fishes
b
: the third and usually largest vein of an insect's wing
3
a
: the length of a radius
a truck with a short turning radius
b
: the circular area defined by a stated radius
c
: a bounded or circumscribed area
4
: a radial part
5
: the distance from a center line or point to an axis of rotation

Example Sentences

Measure the radius of the circle. a radius of 10 inches The new museum is expected to draw people from a wide radius. There are three restaurants within a one-block radius of our apartment.
Recent Examples on the Web Oswego will restrict on-street parking during school days in specific neighborhoods and business districts within a one-mile radius of Oswego East High School to try and solve what officials say is an ongoing student parking issue. Linda Girardi, Chicago Tribune, 29 Aug. 2022 Residents and businesses within a one-mile radius of Thursday’s standoff scene were told to lock doors and stay vigilant, according to the Clinton County Emergency Management Agency. Meryl Kornfield, Spencer S. Hsu And James Bikales, Anchorage Daily News, 12 Aug. 2022 Within a one-mile radius of the standoff scene, residents and businesses were told to lock their doors and stay vigilant, and several highways were partially or completely closed to traffic. James Bikales, Washington Post, 11 Aug. 2022 Clinton County Emergency Management Agency sent out an alert announcing a lockdown in effect for all buildings within a one-mile radius of the intersection at Smith Road and Center Road. Danielle Wallace, Fox News, 11 Aug. 2022 There's a lockdown in effect within a one-mile radius of the standoff scene. Aaron Katersky, ABC News, 11 Aug. 2022 If a glacier was at the equator, this r value would be the radius of the Earth plus the height of the mountain. WIRED, 4 Sep. 2022 Here x could be any number from 0 to 1, and 1 is the radius of the circle. Steven Strogatz, Quanta Magazine, 31 Aug. 2022 The body looks similar, but every single surface has more volume to the radius and corner, and that animates it a little bit more. Elana Scherr, Car and Driver, 27 Aug. 2022 See More

Word History

Etymology

Latin, ray, radius

First Known Use

1578, in the meaning defined at sense 1

Time Traveler
The first known use of radius was in 1578

👨🏻‍🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文
Site Uptime