- a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex.
- a plane surface resembling the cross section of a solid cone.
- the more or less conical multiple fruit of the pine, fir, etc., consisting of overlapping or valvate scales bearing naked ovules or seeds; a strobile.
- a similar fruit, as in cycads or club mosses.
verb (used with object), coned, con·ing.
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Origin of cone
Example sentences from the Web for cone
Mahomes, who threw for 462 yards as he toppled Tom Brady, would be an all-time great if he passed to traffic cones.What to know from NFL Week 12: Tyreek Hill and Derrick Henry took over as the coronavirus loomed|Adam Kilgore|November 30, 2020|Washington Post
Venom from spiders and cone snails target the same sodium channels.
For instance, “the cone of uncertainty”—the wavering cone TV meteorologists often point to when tracking a storm—is often thought to represent the area of impact.NOAA is changing the way it talks about hurricanes|Greta Moran|September 22, 2020|Popular Science
Picture these ever larger circles rising second by second out of the sheet of paper, and you have an upside-down cone with the original event at its tip.
To test the approach, the team had the cones expand at a fixed rate.
Several National Grid and ConEd trucks were on the scene by early morning.Residents in Red Hook, Brooklyn, Assess the Damage After Sandy|Eliza Shapiro|October 31, 2012|DAILY BEAST
Despite fears that ConEd, the power company, would preemptively cut electricity, the lights stayed on.
The vanes are limited by slightly-coned annular cover plates.
About the rod is fitted a movable bronze collar, coned and grooved to take the socket and clamping spring of the mirror bar.Visual Signaling|Signal Corps United States Army
The circle carries a track, on which a ring of coned rollers revolves, which in turn supports the car.
This table is sharply coned, and can be made to work the dough as much or as little as may be required.
A short reamer that is driven by fitting to a coned mandrel.Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
British Dictionary definitions for cone
- a geometric solid consisting of a plane base bounded by a closed curve, often a circle or an ellipse, every point of which is joined to a fixed point, the vertex, lying outside the plane of the base. A right circular cone has a vertex perpendicularly above or below the centre of a circular base. Volume of a cone: 1/3 π r ² h, where r is the radius of the base and h is the height of the cone
- a geometric surface formed by a line rotating about the vertex and connecting the peripheries of two closed plane bases, usually circular or elliptical, above and below the vertexSee also conic section
- the reproductive body of conifers and related plants, made up of overlapping scales, esp the mature female cone, whose scales each bear a seed
- a similar structure in horsetails, club mosses, etcTechnical name: strobilus