Definition

1. Noun:
   • A crystalline salt used similarly to potassium iodide: Sodium iodide is a chemical compound with the formula NaI. It is a white, crystalline solid that is highly soluble in water. Its primary use is as a source of iodine, often in medical and nutritional applications, functioning in a manner comparable to potassium iodide.

Usage Examples

• Noun:
  • The laboratory ordered a new batch of sodium iodide for the experiment.
  • Sodium iodide is sometimes added to table salt to prevent iodine deficiency.

Advanced Usage

• In radiation detection: Sodium iodide crystals, especially when activated with thallium, are used in scintillation detectors to detect gamma rays and other forms of radiation.
  • The scintillator was made from a single crystal of sodium iodide.

Variants and Related Words

• NaI: The chemical formula for sodium iodide.
• Potassium iodide (KI): A related compound with similar uses as a source of iodine.

Synonyms

• Iodide salt: A general term for salts containing the iodide anion (I⁻).

Noun

1. a crystalline salt used like potassium iodide