Ionic Radius

Science / Chemistry / Ionic Radius: The radii of anions and cations in crystalline ionic compounds, as determined by consistently partitioning the center-to-center distance of ions in those compounds.

Atomic Radius

Science / Chemistry / Atomic Radius: Metallic radius; covalent radius; atomic radii. Compare with ionic radius. One half the distance between nuclei of atoms of the same element, when the atoms are bound by a single covalent bond or are MORE

Ionic

Life Style / Poetry / Ionic: A classical greek and latin double foot consisting of two unstressed syllables and two stressed syllables, either ionic a majore / ' ' ~ ~ / or ionic a minore / ~ ~ ' ' /. MORE

Ionic Bond

Science / Biology / Ionic Bond: A chemical bond in which atoms of opposite charge are held together by electrostatic attraction. MORE

Ionic Compound

Science / Chemistry / Ionic Compound: A compound made of distinguishable cations and anions, held together by electrostatic forces. MORE

Human Chorionic Gonadotropin (HCG)

Science / Biology / Human Chorionic Gonadotropin (HCG): A peptide hormone secreted by the chorion that prolongs the life of the corpus luteum and prevents the breakdown of the uterine lining. MORE

Chorionic Villus Sampling

Science / Genetics / Chorionic Villus Sampling: An invasive prenatal diagnostic procedure involving removal of villi from the human chorion to obtain chromosomes and cell products for diagnosis of disorders in the human embryo. MORE

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