Eta-c meson
[ey-tuh-see, ee-tuh-] /ˈeɪ təˈsi, ˈi tə-/
noun, Physics.
1.
a neutral meson having a mass 5832 times that of the electron and a mean lifetime of approximately 3.1 × 10 -22 seconds.
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theory In lambda-calculus, the eta conversion rule states \ x . f x f provided x does not occur as a free variable in f and f is a function. Left to right is eta reduction, right to left is eta abstraction (or eta expansion). This conversion is only valid if bottom and \ x […]
- Eta-c particle
[ey-tuh-see, ee-tuh-] /ˈeɪ təˈsi, ˈi tə-/ noun, Physics. 1. a neutral meson having a mass 5832 times that of the electron and a mean lifetime of approximately 3.1 × 10 -22 seconds. eta-c particle (ā’tə-sē’, ē’tə-) An electrically neutral meson having a mass 5,832 times that of the electron and a mean lifetime of approximately […]
- Etaerio
/ɛˈtɪərɪəʊ/ noun 1. an aggregate fruit, as one consisting of drupes (raspberry) or achenes (traveller’s joy)
- Eta expansion
eta conversion
- Etagere
[ey-tah-zhair, ey-tuh-; French ey-ta-zher] /ˌeɪ tɑˈʒɛər, ˌeɪ tə-; French eɪ taˈʒɛr/ noun, plural étagères [ey-tah-zhairz, ey-tuh-; French ey-ta-zher] /ˌeɪ tɑˈʒɛərz, ˌeɪ tə-; French eɪ taˈʒɛr/ (Show IPA) 1. a stand with a series of open shelves for small objects, bric-a-brac, etc. /etaʒɛr/ noun 1. a stand with open shelves for displaying ornaments, etc n. 1858, […]