資料來源 : pyDict
介子
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Meson \Mes"on\, n. [NL., fr. Gr. me`son middle, neut. of me`sos,
a., middle.] (Anat.)
The mesial plane dividing the body of an animal into similar
right and left halves. The line in which it meets the dorsal
surface has been called the dorsimeson, and the corresponding
ventral edge the ventrimeson. --B. G. Wilder.
資料來源 : WordNet®
meson
n : an elementary particle responsible for the forces in the
atomic nucleus; a hadron with a baryon number of 0 [syn:
{mesotron}]