See Also: periastron(medicine)
periastron(dictionary)

insolation (iou) and periastron (iou)


insolation (iou)



insolation noun. E17.
[Latin insolatio(n-), formed as INSOLATE + -ATION.]
Exposure to the sun's rays, esp. for drying or bleaching or as medical treatment; injurious exposure to the sun's rays; spec. sunstroke.

periastron (iou)



periastron noun. . M19.
[from PERI- + Greek astron star, after perigee, perihelion.]
Astronomy. The point nearest to a star in the path of a body orbiting that star.
periastral adjective L19.