B1, B.I, B.1 or B-1 may refer to:
Biology and chemistry
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Bradykinin receptor B1, a human protein
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Cinnamtannin B1, a condensed tannin found in cinnamon
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Combretastatin B-1, a stilbenoid found in ''Combretum sp.''
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Fumonisin B1, a toxins produced by several species of ''Fusarium'' molds
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B-1 cell, a lymphocyte type
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Arecatannin B1, a tannin found in the betel nut
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Proanthocyanidin B1, a B type proanthocyanidin
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Vitamin B1, also known as thiamine
Media
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B1 TV, a Romanian TV channel
* A
class of FM radio broadcasting in North America
Roads
Vehicles
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Rockwell B-1 Lancer
The Rockwell B-1 Lancer is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force. It has been nicknamed the "Bone" (from "B-One"). , it is one of the United States Air Force's three strategic bombers, along with t ...
, a United States Air Force strategic bomber
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B1 (New York City bus) serving Brooklyn
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B1 type submarine, a World War II Imperial Japanese Navy submarine class
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Alsace-Lorraine B 1, an Alsace-Lorraine P 1 class steam locomotive
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Marussia B1, a high-performance luxury sports coupé built by Russian automaker Marussia Motors
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GS&WR Class B1, a Great Southern and Western Railway
Irish steam locomotive
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HMS ''B1'', a B-class submarine of the Royal Navy
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LB&SCR B1 class, an 1882 British express passenger steam locomotive
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GCR Class 8C, classified B1 during LNER ownership, reclassified B18 in 1943
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LNER Thompson Class B1, a British steam locomotive class
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NER Class B1, a class of British steam locomotives
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NCC Class B1, a Northern Counties Committee
Irish steam locomotive
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Pennsylvania Railroad class B1, an American electric locomotive
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Saturn B-1, a 1959 four-stage rocket
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USS ''B-1'', a United States Navy B-class submarine
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Brasilsat B1, a 1994 communication satellite
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Char B1, a French heavy tank
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B1 Centauro, an Italian wheeled tank destroyer
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Boom XB-1 Baby Boom, an American technology demonstrator aircraft
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Finnish Steam Locomotive Class B1
Other uses
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B1 (file format)
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B1 (classification), a medical-based Paralympic classification for blind sport
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B-1/B-2 Visa, issued by the United States to a foreign citizen seeking to enter the United States of America for business purposes
* A subclass of B-
class stars
* B1, an international standard paper size (707 × 1000 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, which includes the A4, the most commonly availabl ...
* A level in the
Common European Framework of Reference for Languages
The Common European Framework of Reference for Languages: Learning, Teaching, Assessment, abbreviated in English as CEFR, CEF, or CEFRL, is a guideline used to describe achievements of learners of foreign languages across Europe and, increasingl ...
* A security class in the
TCSEC
Trusted Computer System Evaluation Criteria (TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for assessing the effectiveness of computer security controls built into a computer system. The TC ...
* the code for permission to use specific land or premises for offices, light industry in
town and country planning in the United Kingdom
Town and country planning in the United Kingdom is the part of UK land law which concerns land use planning. Its goal is to ensure sustainable economic development and a better environment. Each country of the United Kingdom has its own planni ...
* A sentient banana in the children's TV series ''
Bananas in Pyjamas
''Bananas in Pyjamas'' is an Australian children's television series that first aired on 20 July 1992 on ABC. It has since been syndicated in many countries and dubbed into other languages. In the United States, the " Pyjamas" in the title w ...
''
* B1, a model of
battle droid in the ''Star Wars'' franchise
* B1, Sydney Australia
B-Line bus route
* Chopin's
Ballade No. 1
* The darkest sky on the
Bortle scale
See also
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B01 (disambiguation)
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BI (disambiguation)
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1B (disambiguation)
{{Letter-Number Combination Disambiguation