B type or Type B may refer to:

Astronomy

B-type asteroid B-type asteroids are a relatively uncommon type of carbonaceous asteroid, falling into the wider C-group; the 'B' indicates these objects are spectrally blue. In the asteroid population, B-class objects can be found in the outer asteroid belt, an ...

, a type of relatively uncommon type of carbonaceous asteroid *

B-type giant In astronomy, a blue giant is a hot star with a luminosity class of III (giant) or II (bright giant). In the standard Hertzsprung–Russell diagram, these stars lie above and to the right of the main sequence. The term applies to a variety of s ...

, a type of blue giant star *

B-type star A B-type main-sequence star (B V) is a main-sequence (hydrogen-burning) star of spectral type B and luminosity class V. These stars have from 2 to 16 times the mass of the Sun and surface temperatures between 10,000 and 30,000 K. B-type stars ...

, a type of star

Biology

B type blood The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes. For human blood transfusions, it is the most important of the 43 different blood type (or group) classification system ...

, a type in the ABO blood group system * B type inclusion, a type of inclusions in cells infected with poxvirus *

B-type natriuretic peptide Brain natriuretic peptide 32 (BNP), also known as B-type natriuretic peptide, is a hormone secreted by cardiomyocytes in the heart ventricles in response to stretching caused by increased ventricular blood volume. Along with NT-proBNP, BNP is on ...

, a type of brain natriuretic peptides *

B type proanthocyanidin B type proanthocyanidins are a specific type of proanthocyanidin, which are a class of flavanoids. They are oligomers of flavan-3-ols. Dimeric B type proanthocyanidins These molecules have the molecular formula C30H26O12 (molar mass : 578.52 g/m ...

, a specific type of flavanoids *

Type B evaluation of uncertainty In metrology, measurement uncertainty is the expression of the statistical dispersion of the values attributed to a measured quantity. All measurements are subject to uncertainty and a measurement result is complete only when it is accompanied by ...

, an uncertainty in measurement inferred from scientific judgement or other information concerning the possible values of the quantity *

Type B personality Type A and Type B personality hypothesis describes two contrasting personality types. In this hypothesis, personalities that are more competitive, highly organized, ambitious, impatient, highly aware of time management, or aggressive are labeled ...

, a type in the Type A and Type B personality theory

Others

B-type warbird The Romulans () are an extraterrestrials in fiction, extraterrestrial race in the American science fiction franchise ''Star Trek''. They first appeared in the series ''Star Trek: The Original Series, Star Trek'' (1966–1969). They have appeared ...

, a type of Romulan starship *

Type B videotape 1–inch type B VTR (designated Type B by SMPTE) is a reel-to-reel analog recording video tape format developed by the Bosch Fernseh division of Bosch in Germany in 1976. The magnetic tape format became the broadcasting standard in continenta ...

, an open-reel videotape format *

Curtiss-built B-type The B class blimps were patrol airships operated by the United States Navy during and shortly after World War I. The Navy had learned a great deal from the DN-1 fiasco. The result was the very successful B-type airships. Dr. Jerome Hunsaker was a ...

, a type of B class blimp *

LGOC B-type The LGOC B-type is a model of double-decker bus that was introduced in London in 1910. It was both built and operated by the London General Omnibus Company (LGOC). Design and pre-war service B-type buses were built in Walthamstow and replaced t ...

, a model of double-decker bus that was introduced in London on 1910 *

Mann Egerton Type B The Mann Egerton Type B was a 1910s British maritime patrol aircraft developed from the Short Type 184 by Mann Egerton and Company of Norwich. Design and development Mann Egerton were given a contract in 1915 to build the Short Type 184, a two ...

, a 1910s British maritime patrol aircraft *

Toyota Type B engine The Type A engine was a straight-six engine produced from 1935 through 1947 by Toyota. The Type B was a technically more advanced version of the Type A. There was an enlarged version of this, called the Type D, but it did not enter production. The ...

, an internal combustion engine *

Vauxhall B-Type The Vauxhall 27, 30 and 35 h.p. (Vauxhall chassis code "B" type) is a large six cylinder car manufactured by Vauxhall from 1910 to 1914. The 27 h.p. was Vauxhall's first six-cylinder car. History In 1904 Napier had introduced a six-cylinder-en ...

, a large car from 1911 to 1914 * Type ''B'' ship, a U.S. designation for World War II barges

Astronomy

Biology

Others

See also