B meson

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noun Physics.

a meson composed of a bottom quark and an up or down antiquark or of a bottom antiquark and an up or down quark.

QUIZ

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.

Question 1 of 7

“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Also called B particle.

Words nearby B meson

John B. Stetson was born in 1830 in New Jersey, the son of a hat maker.
My Love Letter to the Stetson|Mark McKinnon|December 24, 2014|DAILY BEAST
Just another example of a guy in a John B. Stetson hat saving the day.
My Love Letter to the Stetson|Mark McKinnon|December 24, 2014|DAILY BEAST
Liz G., one half of “Publizity” [the other half of which, Liz B, is played by Jenny Slate] is one of the best on the show.
The Zany Shades of Nick Kroll|Abby Haglage|December 15, 2014|DAILY BEAST
Army B-squad players who fail to make it onto the varsity team after a year or two usually quit football.
A West Point MVP Who Never Played a Down|Nicolaus Mills|December 13, 2014|DAILY BEAST

More, Queen B officially became the most Grammy-nominated woman of all time.
10 Biggest Grammy Award Snubs and Surprises: Meghan Trainor, Miley Cyrus & More|Kevin Fallon|December 5, 2014|DAILY BEAST
Frequently they are found in alveolar arrangement, retaining the original outline of the alveoli of the lung (Fig. 4, b).
A Manual of Clinical Diagnosis|James Campbell Todd
A was an Archer, who shot at a frog; B was a Butcher, and had a great dog.
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
(b) Diseases of the stomach associated with deficient hydrochloric acid, as chronic gastritis and gastric cancer.
A Manual of Clinical Diagnosis|James Campbell Todd
The usual forms are: (a) Ammoniomagnesium phosphate crystals; (b) acid calcium phosphate crystals; and (c) amorphous phosphates.
A Manual of Clinical Diagnosis|James Campbell Todd
Aunty Rosa sat him upon a table and told him that A B meant ab.
Kipling Stories and Poems Every Child Should Know, Book II|Rudyard Kipling