browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
perihelion |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Perihelion \Per`i*hel"ion\, Perihelium \Per`i*he"li*um\, n.; pl {Perihelia}. [NL., fr Gr ? about near + ? the sun.] (Astron.) That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to {aphelion}. From WordNet r 1.6 [wn]: perihelion n : periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun [ant: {aphelion}]
more about perihelion
This work is licensed under a
