different between molecule vs stereogenic

English

Etymology

Summary: from French molécule, from New Latin molecula (“a molecule”), diminutive of Latin moles (“a mass”); see mole + -cule.

French molécule (1674, Pierre Le Gallois, Conversations tirées de l'Académie de M. l'abbé Bourdelot, contenant diverses recherches et observations physiques) cited in Quemada, Bernard (1965), Datations et documents lexicographiques (tome 3).

Medieval Latin molecula (early XVII cent., Pierre Gassendi), cited in Le Grand Robert de la Langue Française (2e édn) tome 6. ?ISBN. pp. 522–23. Diminutive of moles

Pronunciation

• (Received Pronunciation) IPA^(key): /?m?l?kju?l/
• (General American) IPA^(key): /?m?l?kjul/
• Hyphenation: mol?e?cule

Noun

molecule (plural molecules or moleculae or moleculæ)

1. (chemistry) The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.
2. A tiny amount.

Synonyms

• See also Thesaurus:molecule
• (small amount): see also Thesaurus:modicum.

Hyponyms

• macromolecule

Meronyms

• atom

Related terms

• molecular

Translations

Dutch

Pronunciation

• IPA^(key): /?mo?.l??ky.l?/
• Hyphenation: mo?le?cu?le

Noun

molecule n or f or m (plural moleculen or molecules, diminutive moleculetje n)

1. Alternative form of molecuul.

Friulian

Noun

molecule f (plural moleculis)

1. molecule

English

Etymology

stereo- +? -genic

Adjective

stereogenic (not comparable)

1. (chemistry, physics) describing a grouping of atoms in a molecule
   1. consisting of a central atom and four distinguishable ligands such that the interchange of any two leads to a stereoisomer
   2. consisting of four non-coplanar atoms such that rotation about the central bond leads to a stereoisomer
   3. consisting of a double bond with substituents which give rise to cis-trans isomerism