| ballooning degeneration | A phenomenon observed especially in cells that are infected with certain viruses, resulting in conspicuous swelling of the cell and cytoplasmic vacuolation. (05 Mar 2000) |
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| ballooning mode | <radiobiology> A mode which is localised in regions of unfavorable magnetic field curvature (bad curvature) and which becomes unstable when the force due to pressure gradients (grad p) is greater than the mean magnetic pressure force (grad B^2)/(8pi) in cgs units. (09 Oct 1997) |
| ballooning spider | <zoology> A spider which has the habit of rising into the air. Many kinds (especially. Species of Lycosa) do this while young by ejecting threads of silk until the force of the wind upon them carries the spider aloft. Source: Websters Dictionary (01 Mar 1998) |