BBB
BBB is the initialism of Better Business Bureau.
BBB is the initialism of Big Beautiful Bill.
BBB is the initialism of blood-brain barrier.
BBB is the initialism of bundle branch block.
BBB is the initialism of build(ing) back better.
Meaning of blood-brain barrier
Noun
blood-brain barrier (plural blood-brain barriers)
- A highly selective, semipermeable interface between the blood and the brain's interstitial fluid that regulates the movement of molecules and ions into the central nervous system.
- The brain and spinal cord are insulated by a tight cellular seal called the blood-brain barrier that prevents foreign chemicals from easily getting into the brain.2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 147
- Synonyms:
- BBB, hematoencephalic barrier
Meaning of bundle branch block
Noun
bundle branch block (plural bundle branch blocks)
- A heart condition in which the electrical impulses controlling the pace of the heart are not transmitted normally through either of the bundle branches.
- The electrocardiogram manifests with a basic second degree conduction block, e.g. a 2:1 ratio associated with a bundle branch block pattern.1971, Leo Schamroth, The disorders of cardiac rhythm, page 185
- Synonyms:
- BBB
Synonyms of BBB
Forms of BBB
| plural | BBBs |
|---|
Phrases with BBB
Questions about BBB
- What is BBB the initialism of?
- BBB is the initialism of Better Business Bureau.
Words near BBB in the dictionary
Source and license
Adapted from Wiktionary: BBB (page history and authors); blood-brain barrier (page history and authors); bundle branch block (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “BBB.” Word.ws, https://word.ws/bbb. Based on Wiktionary, CC BY-SA 4.0.