| 单词 | circumference |
| 释义 | circumference (once / 1280 pages) n The distance around a circle is called the circumference, and although circumference is often used when talking about round things, it can mean a boundary of any shape that completely surrounds something. It’s no coincidence that the first part of circumference looks like circle. The Latin word circum means “around,” and the root ferre is the Latin verb for “carry,” so imagine carrying a puppy around a circle pit of lava: the path you walk is the circumference. If you want to buy a new hat, you’ll need to measure the circumference of your head, and patrolling the circumference of your castle is a good way to protect against dragons. WORD FAMILYcircumference: circumferences, circumferential+/circumferent: circumference, circumferenter/circumferential: circumferentially USAGE EXAMPLESThe first electrons are expected to complete their initial laps around its 133 metre circumference ring this month. Economist(Dec 20, 2016) It is 338 feet in diameter, slightly larger than the circumference of the outer ring at Stonehenge. New York Times(Dec 20, 2016) Everything from club length to grip circumference is up for consideration. Golf Digest(Dec 09, 2016) 1n the length of the closed curve of a circle Hyper length the linear extent in space from one end to the other; the longest dimension of something that is fixed in place 2n the boundary line encompassing an area or object he had walked the full circumference of his land a danger to all races over the whole circumference of the globe Syn|Hyper circuit border, borderline, boundary line, delimitation, mete a line that indicates a boundary 3n the size of something as given by the distance around it Syn|Hypo|Hyper perimeter girth the distance around a person's body spreadthe expansion of a person's girth (especially at middle age) size the physical magnitude of something (how big it is) |
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