iodide |
a chemical compound containing iodine. |
iodine |
a highly reactive chemical element of the halogen group that has fifty-three protons in each nucleus and occurs naturally in compounds such as salts, and in pure form as a poisonous bluish black crystal. (symbol: I) [2 definitions] |
iodize |
to combine iodine or an iodide with. |
iodized salt |
ordinary table salt combined with a small amount of sodium or potassium iodide. |
iodo- |
iodine. |
iodoform |
a yellowish, crystalline iodine compound, used as an antiseptic. |
io moth |
a large North American moth with prominent eyespots on each hind wing. |
-ion |
process; act; action. [3 definitions] |
ion |
an atom, group of atoms, or molecule that bears a positive electric charge as a result of electron loss or a negative charge as a result of electron gain. [2 definitions] |
ion exchange |
the interchange of ions between a solid and a fluid, a process often used in water softening. |
Ionia |
a region along the Aegean Sea of western Asia Minor (present day Turkey) colonized by ancient Greeks. [2 definitions] |
Ionian |
of or pertaining to Ionia, a region along the Aegean Sea of western Asia Minor (present day Turkey) colonized by Ancient Greeks. [2 definitions] |
Ionic |
of or pertaining to a region of ancient Greece in coastal Asia Minor and adjacent Aegean islands or its people, culture, language, or the like. [3 definitions] |
ionic |
of, pertaining to, or in the form of ions. |
ionium |
a naturally occurring radioactive isotope of the chemical element thorium. |
ionization chamber |
a gas-filled vessel fitted with two electrodes in which the current between the electrodes is a function of the amount of ionization of the gas. |
ionize |
to separate or change partly or completely into ions. [3 definitions] |
ionosphere |
layers of the earth's atmosphere located above the stratosphere from about thirty to two hundred and fifty miles above the earth's surface, and composed of rarefied gases that have been ionized by radiation from the sun. |
iota |
the name of the ninth letter of the Greek alphabet. [2 definitions] |
IOU |
a signed paper acknowledging a debt and often bearing these letters, meaning "I owe you". |
-ious |
full of; having the characteristics of; having. |