a conical deposit of sulfur condensed from a fumarole

Alternative spelling of sulfur cone

(physics): In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time.

(aviation) The forwardmost part of an aircraft, rocket or missile; it is shaped to minimize aerodynamic resistance.

(US) A confection of crushed ice covered with flavored syrup or fruit juice, usually served in a paper cone or a plastic glass.

(linear algebra) Relative to a set S in Rⁿ, the set of points y such that the inner product of x and y is not positive for any point x in S.

plural of pine cone

Alternative form of pinecone.

(anatomy) Any of the photoreceptor cells in the retina that are responsible for colour vision in relatively bright light.

plural of fir-cone