Noun
One of the very small invisible particles of which all matter is supposed to consist.
The smallest part of any substance which possesses the characteristic properties and qualities of that substance, and which can exist alone in a free state.
A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen. Cf. Atom.
Source: Webster's dictionaryAbsorption and dietary need Previous theory held that dietary deficiency is extremely rare unless the small bowel was heavily damaged, resulting in malabsorption of the molecule. Source: Internet
1 H NMR shows natural abundance hydrogens in a molecule. Source: Internet
"A colloid is a small, insoluble, nondiffusible particle larger than a molecule but small enough to remain suspended in a fluid medium without settling. Source: Internet
Advantages of a crystal In principle, an atomic structure could be determined from applying X-ray scattering to non-crystalline samples, even to a single molecule. Source: Internet
A compound that has two immiscible hydrophilic and hydrophobic parts within the same molecule is called an amphiphilic molecule. Source: Internet
Adiabatic ionization is a form of ionization in which an electron is removed from or added to an atom or molecule in its lowest energy state to form an ion in its lowest energy state. Source: Internet