| 单词 | cone |
| 释义 | cone (once / 601 pages) 1nv 2n 3n A cone is a shape that has a circle at the bottom and sides that narrow to a point, like a party hat, a rubber pylon at a construction site, or, yes, an ice cream cone. Why is a cone called a cone? The Latin word conus means "the peak of a helmet," which must have described the shape of this type of hat in the 16th century. The Greek konos means "spinning top" and "pine cone." Both of these objects have one wider end that tapers to a point, describing a cone very accurately. WORD FAMILYcone: coned, conelike, cones, conic, conical, coning+/conic: conics/conical: conically USAGE EXAMPLES“If it continues, it might build a cone that is above seawater.” New York Times(Dec 30, 2016) This week, officers swept in and removed the cones, along with an unapproved bench and planters on the sidewalk outside the club’s front door. Seattle Times(Dec 16, 2016) The retina contains two types of photoreceptor: rods and cones. Nature(Dec 06, 2016) 1 1n a shape whose base is a circle and whose sides taper up to a point Syn|Hypo|Hyper cone shape, conoid funnel, funnel shape a conical shape with a wider and a narrower opening at the two ends round shape a shape that is curved and without sharp angles 2n any cone-shaped artifact Hyper artefact, artifact a man-made object taken as a whole 3v make cone-shaped 2cone a tire Hyper bevel, chamfer cut a bevel on; shape to a bevel n cone-shaped mass of ovule- or spore-bearing scales or bracts 3Syn|Hypo|Hyper strobile, strobilus fir cone the seed-producing cone of a fir tree galbulusthe seed-producing cone of a cypress tree pineconethe seed-producing cone of a pine tree reproductive structure the parts of a plant involved in its reproduction n a visual receptor cell in the retina that is sensitive to bright light and to color Syn|Hyper cone cell, retinal cone visual cell one of the cells of the retina that is sensitive to light |
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