IODINE

Pronunciation (US):

• IODINE (noun)
  The noun IODINE has 2 senses:

1. 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)
2. a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic

  Familiarity information: IODINE used as a noun is rare.

• IODINE (noun)

Meaning:

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)

Classified under:

Nouns denoting substances

Synonyms:

atomic number 53; I; iodin; iodine

Hypernyms ("iodine" is a kind of...):

chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)

halogen (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)

Hyponyms (each of the following is a kind of "iodine"):

iodine-131 (heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter)

iodine-125 (light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism)

Holonyms ("iodine" is a substance of...):

brine; saltwater; seawater (water containing salts)

Meaning:

A tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic

Classified under:

Nouns denoting man-made objects

Synonyms:

tincture of iodine; iodine

Hypernyms ("iodine" is a kind of...):

antiseptic (a substance that destroys micro-organisms that carry disease without harming body tissues)

tincture ((pharmacology) a medicine consisting of an extract in an alcohol solution)