Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun b

7 senses of b

Sense 1
bacillus, B -- (aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil)
       => eubacteria, eubacterium, true bacteria -- (a large group of bacteria having rigid cell walls; motile types have flagella)

Sense 2
B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B -- (originally thought to be a single vitamin but now separated into several B vitamins)
       => water-soluble vitamin -- (any vitamin that is soluble in water)

Sense 3
boron, B, atomic number 5 -- (a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder)
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)

Sense 4
Bel, B -- (a logarithmic unit of sound intensity equal to 10 decibels)
       => sound unit -- (any acoustic unit of measurement)

Sense 5
barn, b -- ((physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter)
       => area unit, square measure -- (a system of units used to measure areas)

Sense 6
B, b -- (the 2nd letter of the Roman alphabet)
       => letter, letter of the alphabet, alphabetic character -- (the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters")

Sense 7
B, type B, group B -- (the blood group whose red cells carry the B antigen)
       => blood group, blood type -- (human blood cells (usually just the red blood cells) that have the same antigens)