释义 |
isotropic /ˌʌɪsə(ʊ)ˈtrɒpɪk /adjective Physics1(Of an object or substance) having a physical property which has the same value when measured in different directions. Often contrasted with anisotropic.Because the bonds are not symmetrical, glass is isotropic and has no definite melting point....- In isotropic ethanol solutions efficient intersystem crossing is observed with quantum yields around 0.5 being reported.
- In thin section, however, it is a brilliant green, isotropic mineral.
1.1(Of a property or phenomenon) not varying in magnitude according to the direction of measurement.Interestingly, several isotropic fluorescence times were found to coexist, indicating structural heterogeneity of the DNA....- The system was simulated at constant isotropic pressure of 1 atm applied independently to each box dimension.
- In isotropic spreading, retraction of [alpha] actinin is limited until cells are over half spread.
Derivatives isotropically adverb ...- Therefore, in order to describe accurately the soil behavior, an anisotropic model is still necessary to be incorporated even if the soil is initially isotropically consolidated.
- Nitric oxide crosses cell membranes without mediation of channels or receptors-it diffuses across cellular membranes isotropically.
- The buttress surface is expanding with high areal strain rates and nearly isotropically.
isotropy /ʌɪˈsɒtrəpi / noun ...- Errors introduced by the assumption of hemispheric isotropy are estimated to be less than 4%.
- Nevertheless, homogeneity and isotropy came to be jointly codified as the ‘cosmological principle.’
- To quantitatively ascertain the isotropy of the collagen gels imaged with confocal reflectance microscopy, several approaches are used.
Origin Mid 19th century: from iso- 'equal' + Greek tropos 'a turn' + -ic. Rhymes ectopic, gyroscopic, heliotropic, horoscopic, isotopic, kaleidoscopic, macroscopic, microscopic, misanthropic, myopic, philanthropic, phototropic, telescopic, topic, tropic |