iodine

/'aiədi:n/
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iodine

A nurse applies iodine to a small cut on a child's knee.

Definition
  1. Noun:
    • A chemical element: A nonmetallic element belonging to the halogen group, with the symbol I and atomic number 53. It is a dark, lustrous, crystalline solid that sublimes into a violet-colored gas.
    • An antiseptic solution: A tincture consisting of iodine dissolved in ethyl alcohol, used for disinfecting wounds and skin.
Examples of Usage
  • Noun (Element):
    • Iodine is an essential nutrient for thyroid function.
    • The color of iodine vapor is a distinctive violet.
  • Noun (Antiseptic):
    • The nurse applied iodine to the cut to prevent infection.
    • A bottle of iodine is a common item in a first-aid kit.
Advanced Usage
  • "Radioactive iodine": A radioactive isotope of iodine (especially iodine-131) used in medical diagnostics and treatment, particularly for thyroid conditions.
    • The patient underwent radioactive iodine therapy for hyperthyroidism.
Variants and Related Words
  • Iodize (verb): To treat or impregnate with iodine, often referring to salt.
    • Iodized salt helps prevent iodine deficiency.
  • Iodide (noun): A compound of iodine with another element or group, especially a salt of hydriodic acid.
    • Potassium iodide is sometimes used as a dietary supplement.
Synonyms
  • Antiseptic (for the solution): disinfectant, germicide.
  • Element (for the substance): halogen (category).
Related Phrases
  • Iodine deficiency: A lack of sufficient iodine in the diet, which can lead to health problems like goiter.
    • Iodine deficiency is a major public health issue in some regions.
  • Iodine test: A chemical test using an iodine solution to detect the presence of starch, which turns blue-black.
    • The iodine test confirmed the presence of starch in the potato.
iodine

A nurse applies iodine to a small cut on a child's knee.

Noun
  1. a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
  2. a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)

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