IDF or idf may refer to:

Defence forces

* Irish Defence Forces * Israel Defense Forces *

Iceland Defense Force The Iceland Defense Force ( is, Varnarlið Íslands; IDF) was a military command of the United States Armed Forces from 1951 to 2006. The IDF, created at the request of NATO, came into existence when the United States signed an agreement to p ...

, of the US Armed Forces, 1951-2006 * Indian Defence Force, a part-time force, 1917

Organizations

* Israeli Diving Federation * Interaction Design Foundation *

International Diabetes Federation The International Diabetes Federation (IDF) is an umbrella organization of over 230 national diabetes associations in more than 160 countries and territories. The Federation has been leading the global diabetes community since 1950. It is headqua ...

International DOI Foundation A digital object identifier (DOI) is a persistent identifier or handle used to uniquely identify various objects, standardized by the International Organization for Standardization (ISO). DOIs are an implementation of the Handle System; they ...

, of the digital object identifier

Places

* Idiofa Airport, Idiofa, Democratic Republic of the Congo (IATA airport code) *

Île-de-France The Île-de-France (, ; literally "Isle of France") is the most populous of the eighteen regions of France. Centred on the capital Paris, it is located in the north-central part of the country and often called the ''Région parisienne'' (; en, Pa ...

, region of France

Other uses

Intensity-duration-frequency curve An intensity-duration-frequency curve (IDF curve) is a mathematical function that relates the rainfall intensity with its duration and frequency of occurrence. These curves are commonly used in hydrology for flood forecasting and civil engineering ...

, for rainfall *

Intel Developer Forum The Intel Developer Forum (IDF) was a biannual gathering of technologists to discuss Intel products and products based on Intel products. The first IDF was held in 1997. To emphasize the importance of China, the Spring 2007 IDF was held in Beijin ...

* Intermediate Data Format, a file format for electronic design automation * Intermediate distribution frame, for telecommunications wiring *

AIDC F-CK-1 Ching-kuo The AIDC F-CK-1 Ching-Kuo (), commonly known as the Indigenous Defense Fighter (IDF), is a multirole combat aircraft named after Chiang Ching-kuo, the late President of the Republic of China. The aircraft made its first flight in 1989. It ent ...

, Indigenous Defense Fighter, Taiwanese aircraft *Inverse Document Frequency, a factor in the

tf–idf In information retrieval, tf–idf (also TF*IDF, TFIDF, TF–IDF, or Tf–idf), short for term frequency–inverse document frequency, is a numerical statistic that is intended to reflect how important a word is to a document in a collection or c ...

principle *

Indirect fire Indirect fire is aiming and firing a projectile without relying on a direct line of sight between the gun and its target, as in the case of direct fire. Aiming is performed by calculating azimuth and inclination, and may include correcting aim ...

(''see also'' Glossary of military abbreviations#I)

Defence forces

Organizations

Places

Other uses

See also