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**Ideal** may refer to:

## Philosophy

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

## Mathematics

- 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 (set theory), 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

## Science

- 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

## Entertainment

- Ideal Film Company, a leading British film studio of the Silent Era
*Ideal*(TV series), a British situation comedy- Ideal (band), late 1990s/2000s American R&B group
- Ideal (German band), early 1980s German rock group
- Ideal Toy Company, a now defunct toy company
*Ideal*(album), the 1999 eponymous debut album by the R&B group*Ideal*(play), a play by Ayn Rand- Ideal Ice Cream, an ice cream company

## Places

## Miscellaneous

- Changhe Ideal, a city car produced by a joint-venture of Changhe and Suzuki
- Ideal 18, a Canadian sailboat design
- IDEAL Scholars Fund, an American scholarship program for underrepresented students
*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

## See also

Search for on Wikipedia."ideal" |

- All pages with titles containing
*Ideal*or*Ideals* - All pages with titles beginning with
*Ideal* - Idealism (disambiguation)
- Idea
- Idol (disambiguation)
- Idle (disambiguation)
- Idyl (disambiguation)

This page was last edited on 7 October 2020, at 00:20