Then, instead of clearing a landing area with the usual quick scythe of the mesotron rifles, he polarized the spin-dizzy screen.    From Wordnik.com.  [Cities In Flight]

After the molten rock had hardened, the clogged channels were re-drilled, with mesotron rifles set to the smallest possible dispersion.    From Wordnik.com.  [Cities In Flight]

We can't fit anything really powerful into a Hevian rocket plane-a pile would go into one easily enough, but a frictionator or a naval - size mesotron rifle wouldn't, and there'd be no point in taking popguns.    From Wordnik.com.  [Cities In Flight]

Another rocket, under the guidance of Carrel, dived down before it, scything a narrow runway in the jungle with portable mesotron rifles-for the bandit towns kept no supersonic no-plant's-land between themselves and the rank vegetation.    From Wordnik.com.  [Cities In Flight]

"mesotron" was proposed for it, that the Greek word "mesos" has no "tr" in it, with the result that the name "mesotron" was changed to "meson".    From Wordnik.com.  [Werner Heisenberg - Biography] Reference