CoNO

Cono is a term that appears in several languages and disciplines, referring to a cone-shaped object or concept. In geometry it denotes a solid with a circular base that tapers to a single apex. The most common form is the right circular cone, defined by base radius r and height h. The slant height is l = sqrt(r^2 + h^2). The volume is V = (1/3) π r^2 h, the lateral surface area is A_lat = π r l, and the total surface area is A_tot = π r (l + r).

In biology, the cone (strobilus) describes the reproductive structure of conifers. Female seed cones and male pollen cones develop on the same or nearby plants. Cones feature woody scales arranged around a central axis and release seeds once the scales open, often after fertilization by wind-dispersed pollen.

The word cono also functions in several Romance languages. In Italian and Spanish, the term translates to “cone” and is used for both geometric shapes and cone-shaped objects. In everyday usage, it appears in terms such as ice cream cones (conos de helado in Spanish, cono in Italian) and other conical items.

As a proper noun, cono may occur as a surname or place name in some regions, reflecting historical or linguistic connections to cone-like forms. In summary, cono encompasses mathematical, botanical, linguistic, and onomastic senses, unified by the common idea of a conical shape.