Ideal

Ideal may refer to:

• Ideal (ethics), values that one actively pursues as goals
• Platonic ideal, a philosophical idea of trueness of form, associated with Plato

• Ideal (ring theory), special subsets of a ring considered in abstract algebra
• Ideal, special subsets of a semigroup
• Ideal (order theory), special kind of lower sets of an order
• Ideal on a set, a collection of sets regarded as "small" or "negligible"
• Ideal (Lie algebra), a particular subset in a Lie algebra
• Ideal point, a boundary point in hyperbolic geometry
• Ideal triangle, a triangle in hyperbolic geometry whose vertices are ideal points

• Ideal chain, in science, the simplest model describing a polymer
• Ideal gas law, in physics, governing the pressure of an ideal gas
• Ideal transformer, an electrical transformer having zero resistance and perfect magnetic threading
• Ideal final result, in TRIZ methodology, the best possible solution
• Thought experiment, sometimes called an ideal experiment
• Ideal type, a social science term
• Ideal solution, a solution with thermodynamic properties analogous to those of a mixture of ideal gases

• Ideal (group), a late-1990s/2000s American R&B group
• Ideal (German band), an early-1980s German rock group
• Ideal (album), a 1999 album by the R&B group Ideal
• An Ideal, a 2016 album by Li Ronghao
• Ideal (novel), a 1934 novel by Ayn Rand, published in 2015
• Ideal (play), a 1936 play by Ayn Rand, adapted from the novel, published in 1989
• Ideal (TV series), a British situation comedy
• Ideal Film Company, a British film studio of the Silent Era
• Ideal Ice Cream, an ice cream company
• Ideal Toy Company, a defunct toy company
• Ideals (sculpture), a 1992 bronze sculpture by Muriel Castanis

• Ideal TV, a defunct Brazilian television channel
• TV Ideal, a former name of TV Integração Ituitaba, a television station in Ituitaba, Minas Gerais, Brazil

• Ideal, Georgia
• Ideal, Illinois
• Ideal, South Dakota
• Ideal Mini School

• Changhe Ideal, a city car produced by a joint-venture of Changhe and Suzuki
• Ideal 18, a Canadian sailboat design
• Ideal (newspaper), a Spanish-language newspaper
• iDEAL, an online payment method in the Netherlands
• Ideal Industries, an American manufacturer of electrical connectors and tools
• IDEAL framework (Idea, Development, Exploration, Assessment, Long-term study), a framework for describing the stages of innovation in surgery
• IDEAL (Interactive Development Environment for an Application Lifecycle), a development language above COBOL for DATACOM/DB

• Idealism (disambiguation)
• Idea
• Idol (disambiguation)
• Idle (disambiguation)
• Idyl (disambiguation)