Definition

Noun: 1. A white, crystalline polyol compound: Pentaerythritol is an organic chemical compound, specifically a polyhydric alcohol (a compound with multiple hydroxyl -OH groups). Its primary industrial use is in the production of alkyd resins, varnishes, synthetic lubricants, and explosives. 2. A coronary vasodilator medication: In a specific pharmaceutical formulation (historically under the trade name Peritrate), pentaerythritol tetranitrate is used as a vasodilator to improve blood flow to the heart, primarily in the treatment of angina pectoris (chest pain).

Usage Examples

• Noun (Chemical Compound):
  • Pentaerythritol is a key raw material for manufacturing alkyd paints.
  • The stability of the plasticizer is due to the presence of pentaerythritol.
• Noun (Pharmaceutical Agent):
  • The doctor prescribed pentaerythritol tetranitrate to manage his angina symptoms.
  • Peritrate, which contains pentaerythritol tetranitrate, is a long-acting vasodilator.

Advanced Usage

• Chemical Context: The term is almost exclusively used in technical, industrial, or pharmacological contexts. It is not used in everyday conversation.
• Abbreviation: In chemical industry contexts, it is sometimes abbreviated as PE.
• "Pentaerythritol tetranitrate": This is the full name of the nitrate ester derivative used as an explosive and a medicine. The word "pentaerythritol" refers to the alcohol base of this compound.

Variants and Related Words

• Pentaerythritol tetranitrate (PETN) (n): The nitrate ester of pentaerythritol, used as a high explosive and a vasodilator drug.
• Polyol (n): The general class of organic compounds containing multiple hydroxyl groups, to which pentaerythritol belongs.
• Erythritol (n): A different, simpler sugar alcohol (tetrol) with a similar name but different structure and uses.

Synonyms

• (For the pharmaceutical use): Vasodilator, antianginal agent.
• (For the chemical compound): Tetrakis(hydroxymethyl)methane (IUPAC name), PE.

Related Phrases / Compounds

• Pentaerythritol ester: A compound formed by reacting pentaerythritol with an acid, commonly used in lubricants and plasticizers.
• Pentaerythritol rosin ester: A specific ester used in adhesives, inks, and coatings.

Noun

1. a coronary vasodilator (trade name Peritrate) used to treat angina pectoris