B9, B IX or B-9 may refer to:

Science

* Prodelphinidin B9, a plant phenolic compound * Vitamin B₉, another name for folic acid * B-Nine WSG, a formulation of the plant growth regulator

daminozide Daminozide—also known as aminozide, Alar, Kylar, SADH, B-995, B-nine, and DMASA,—is a plant growth regulator, a chemical sprayed on fruit to regulate growth, make harvest easier, and keep apples from falling off the trees before they ripen s ...

* Boron-9 (B-9 or ⁹B), an isotope of boron * A subclass of B- class stars

Transport

* B9 (Croatia), a road part of the Istrian Y highway complex *

B9 (New York City bus) The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Brooklyn, New York, United States; one minor route is privately operated under a city franchise. Many of them are the direct descendants of streetcar lines (see li ...

serving Brooklyn * Bundesstraße 9, a federal highway in Germany * Iran Airtour (IATA code B9) * Air Bangladesh (former IATA code B9)

Vehicles

* Bavarian B IX, an 1874 German steam locomotive model * Bavarian B IX (Ostbahn), an 1869 German steam locomotive model * Bensen B-9, a 1958 American small helicopter * Boeing B-9 (sometimes referred to as the Y1B-9 or YB-9), a 1931 United States Army Air Corps bomber * , a British Royal Navy B-class submarine * The former model name for the Subaru Tribeca

Organizations

* The abbreviation used for the record label Bridge Nine * Bucharest Nine (B9), a group of nine NATO members: Bulgaria, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland, Romania and Slovakia

Other uses

* Iceberg B-9, a 1987 iceberg calved away from Antarctica * ''Model B-9'' on the TV series ''Lost in Space'', otherwise known simply as “ Robot (Lost in Space)“ * An international standard paper size (44×62 mm), defined in

ISO 216 ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America. The standard defines the "A", "B" and "C" series of paper sizes, including A4, the most commonly available paper size ...

Science

Transport

Vehicles

Organizations

Other uses

See also