B (Noun)
Meaning 1
(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter.
Classification
Nouns denoting quantities and units of measure.
Synonyms
Hypernyms
Meaning 2
Aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil.
Classification
Nouns denoting animals.
Synonyms
Hypernyms
Hyponyms
Meaning 3
A logarithmic unit of sound intensity equal to 10 decibels.
Classification
Nouns denoting quantities and units of measure.
Synonyms
Hypernyms
Meaning 4
A trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder.
Classification
Nouns denoting substances.
Synonyms
Hypernyms
Meaning 5
Originally thought to be a single vitamin but now separated into several B vitamins.
Classification
Nouns denoting substances.
Synonyms
Hypernyms
Hyponyms
- Folacin
- Nicotinic Acid
- Pyridoxamine
- Vitamin B12
- Inositol
- Biotin
- Antipernicious Anemia Factor
- Pteroylmonoglutamic Acid
- Lactoflavin
- Pantothen
- Thiamine
- Ovoflavin
- Vitamin B6
- Riboflavin
- Folic Acid
- Vitamin B1
- Vitamin B2
- Vitamin Bc
- Vitamin H
- Vitamin G
- Choline
- Antiberiberi Factor
- Vitamin M
- Cyanocobalamin
- Aneurin
- Niacin
- Adermin
- Folate
- Pyridoxine
- Cobalamin
- Pantothenic Acid
- Thiamin
- Pyridoxal
Meaning 6
The 2nd letter of the Roman alphabet.
Classification
Nouns denoting communicative processes and contents.
Examples
- The second letter of the alphabet is "B" which comes after "A".
- She struggled to learn the sounds of letters "A" and "B" in her preschool class.
- The first letter "B" in the word "Boy" makes a distinct sound.
- Learning the order of the alphabet started with the letter "A" and then came "B".
- In her phonics class, Emma learned that "B" is the second letter of the alphabet.
Synonyms
Hypernyms
Meaning 7
The blood group whose red cells carry the B antigen.
Classification
Nouns denoting body parts.