ultraiscim - n.
the holder of extreme positions in politics, religion, etc.

ultraism n.

ultraiscim - adj. & n.
--adj.

favouring extreme views or measures, esp. in religion or politics.

--n.

an extremist. [orig. as abbr. of F ultra-royaliste: see ULTRA-]

ultraiscim - adv. &
predic.adj. beyond one's legal power or authority. [L]

ultraiscim - comb. form 1 beyond; on the other side of (opp. CIS-).
2 extreme(ly), excessive(ly) (ultra-conservative; ultra-modern). [L ultra beyond]

ultraiscim - adj.
(of a frequency) in the range 300 to 3000 megahertz.

ultraiscim - n.
a high-speed centrifuge used to separate small particles and large molecules by their rate of sedimentation from sols.