molecule

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molecule

 [mol´ĕ-kūl]
a group of atoms joined by chemical bonds; the smallest amount of a substance that possesses its characteristic properties.
adhesion m's (cell adhesion m's (CAM)) cell surface glycoproteins that mediate intercell adhesion in vertebrates.
middle molecule any molecule that has an atomic mass between 350 and 2000 daltons; these accumulate in the body fluids of patients with uremia.

mol·e·cule

(mol'ĕ-kyūl),
The smallest possible quantity of a di-, tri-, or polyatomic substance that retains the chemical properties of the substance.
[Mod. L. molecula, dim. of L. moles, mass]

molecule

/mol·e·cule/ (mol´ĕ-kūl) a small mass of matter; the smallest amount of a substance which can exist alone; an aggregation of atoms, specifically a chemical combination of two or more atoms forming a specific chemical substance.molec´ular

molecule

[mol′əkyo̅o̅l]
Etymology: L, molecula, small mass
the smallest unit that exhibits the properties of an element or compound. A molecule is composed of two or more atoms that are covalently bonded. See also atom, compound.

molecule

The smallest unit of a substance that can exist alone and retain its core chemical and physical characteristics.

trivial name

A popular, working, or common name for a thing or process that has a formal name. See CD, DSM-IV, EC, SI.
Trivial name
Disease–eg, Lou Gehrig's disease for amyotrophic lateral sclerosis
Molecule–eg, Teflon for polytetrafluoroethylene
Organ–eg, anterior pituitary for adenohypophysis
Structure–eg, vocal cord for vocal fold–plica vocalis, or fallopian tube for tuba uterina, which is not standard nomenclature or based on 'official' rules delineated by international agencies or organizations–eg, American Psychiatric Association, Enzyme Commission, the International System, Terminologia Anatomica, etc

mol·e·cule

(mol'ĕ-kyūl)
The smallest possible quantity of a di-, tri-, or polyatomic substance that retains the chemical properties of the substance.

molecule

the smallest chemical unit of matter that has the characteristics of the substance of which it forms a part.

molecule,

n the smallest unit of a chemical compound; comprises atoms joined with chemical bonds. See also atom and compound.

mol·e·cule

(mol'ĕ-kyūl)
The smallest possible quantity of a di-, tri-, or polyatomic substance that retains the chemical properties of the substance.

molecule,

n a unit of matter that is the smallest particle of an element or chemical combination of atoms (as a compound) capable of retaining chemical identity with the substance in mass.

molecule

a group of atoms joined by chemical bonds; the smallest amount of a substance that possesses its characteristic properties.