Definition

Noun: * Polycillin: A brand name for a semisynthetic penicillin antibiotic. It is a type of medication used to treat various bacterial infections. The generic (non-brand) name for this drug is ampicillin.

Usage

• "Polycillin" is used specifically as a proper noun referring to the branded pharmaceutical product. In modern medical contexts, the generic name "ampicillin" is more commonly used.
• It is typically used in medical, pharmaceutical, or historical contexts.

Examples

• The doctor prescribed Polycillin for the patient's ear infection.
• Before the rise of antibiotic resistance, Polycillin was a commonly used broad-spectrum antibiotic.
• Polycillin (ampicillin) is effective against a range of gram-positive and some gram-negative bacteria.

Advanced Usage

• The term is often seen in historical medical literature or in discussions comparing older and newer antibiotic treatments.
• It may be used in pharmacology to discuss the development and branding of early semisynthetic penicillins.

Variants and Related Words

• Ampicillin (n): The generic drug name for the antibiotic sold under the brand name Polycillin.
• Principen (n): Another trade name for the same ampicillin compound.
• SK-Ampicillin (n): Another trade name for the same ampicillin compound.
• Penicillin (n): The broader class of antibiotics from which ampicillin/Polycillin is derived.
• Antibiotic (n): The general category of drugs used to treat bacterial infections.

Synonyms

• Ampicillin (direct synonym, generic name)
• Principen (synonym, alternate brand name)
• SK-Ampicillin (synonym, alternate brand name)

Notes

• "Polycillin" is a trademark. When writing formally, it is often followed by the generic name in parentheses (e.g., Polycillin (ampicillin)) or presented with a trademark symbol (®) in commercial contexts.
• This word does not have associated idioms or phrasal verbs, as it is a specific proper noun for a pharmaceutical product.

Noun

1. semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)