Definition of smectic in English:

smectic

Line breaks: smec|tic
Pronunciation: /ˈsmɛktɪk
 
/

adjective

  • Denoting or involving a state of a liquid crystal in which the molecules are oriented in parallel and arranged in well-defined planes. Compare with nematic.
    More example sentences
    • Our results suggest that of the multiple structures which different monolayers form when supercompressed, pulmonary surfactant collapses by the same mechanism as other compounds that form smectic liquid-crystal bulk phases.
    • Molecules in the smectic phase have orientational as well as a small amount of positional order.
    • Hydrated phospholipids themselves are liquid-crystals, and in these multiple respects, their behavior resembles that of at least some other compounds that form smectic bulk phases.

noun

Back to top  
  • A smectic substance.
    More example sentences
    • There also exists higher order smectics which form layers with positional ordering within the layers.
    • We outline the possible experimental significance of our findings for the rheology of both aligned and polydomain smectics.
    • We find that the quantum smectics are rather different from the usual classical smectics in that the density correlations along the direction of the stripes manifest a Bragg-Glass type behaviour whereas those in the transverse direction are infra-red divergent.

Origin

late 17th century: via Latin from Greek smēktikos 'cleansing' (because of the soap-like consistency).

More definitions of smectic

Definition of smectic in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tortie
Pronunciation: ˈtɔːtiː
noun
a tortoiseshell cat