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/ˈkəʊn/ · noun
(geometry) A surface of revolution formed by rotating a segment of a line around another line that intersects the first line..
A cone is an object (the apex) and a natural transformation from a constant functor (whose image is the apex of the cone and its identity morphism) to a diagram functor. Its components are projections from the apex to the objects of the diagram and it has a “naturality triangle” for each morphism in the diagram. (A “naturality triangle” is just a naturality square which is degenerate at its apex side.)
Under the old method the material coned at the bottom of the borehole and as a result it would not go under houses and buildings.
The area occupied by the works should be coned off and the usual advance warning signs should be provided on all approaches
Use cone when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cone means (geometry) A surface of revolution formed by rotating a segment of a line around another line that intersects the first line..
Common synonyms include conical surface, cornet, ice cream cone, conoid.
The opposite depends on the specific sense.
A cone is an object (the apex) and a natural transformation from a constant functor (whose image is the apex of the cone and its identity morphism) to a diagram functor. Its components are projections from the apex to the objects of the diagram and it has a “naturality triangle” for each morphism in the diagram. (A “naturality triangle” is just a naturality square which is degenerate at its apex side.)
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