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2. beta-adrenoceptor
noun. receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat).
Antonyms
Synonyms
3. beta-lactamase
noun. enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic.
Antonyms
Synonyms
Etymology
- beta-lactamase (English)
- -ase (English)
- beta-lactam (English)
4. beta-adrenergic_receptor
noun. receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat).
Antonyms
Synonyms
5. beta
noun. ['ˈbeɪtə'] the 2nd letter of the Greek alphabet.
Synonyms
Etymology
- beta (English)
- βῆτα (Ancient Greek (to 1453))
6. beta
adjective. ['ˈbeɪtə'] second in order of importance.
Antonyms
Synonyms
Etymology
- beta (English)
- βῆτα (Ancient Greek (to 1453))