feliz lusitania (noun)
Port city in northern Brazil in the Amazon delta. Main port and commercial center for the Amazon River basin.
class psilopsida (noun)
Whisk ferns. Comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
space-reflection symmetry (noun)
(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system.
mirror symmetry (noun)
(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system.
paratrooper (noun)
A soldier in the paratroops.
psilotatae (noun)
Whisk ferns. Comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
blue jet (noun)
Atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward.
para river (noun)
An estuary in northern Brazil into which the Tocantins River flows.
psilopsida (noun)
Whisk ferns. Comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
ninety-five (adjective)
Being five more than ninety.
