Charles-snow

Sir Charles Percy (C. P. Snow) 1905–80, English novelist and scientist.
noun
precipitation from clouds in the form of flakes of ice crystals formed in the upper atmosphere related adjective niveous
a layer of snowflakes on the ground
a fall of such precipitation
anything resembling snow in whiteness, softness, etc
the random pattern of white spots on a television or radar screen, produced by noise in the receiver and occurring when the signal is weak or absent
(slang) cocaine
See carbon dioxide snow
verb
(intransitive; with it as subject) to be the case that snow is falling
(transitive; usually passive, foll by over, under, in, or up) to cover or confine with a heavy fall of snow
often with it as subject. to fall or cause to fall as or like snow
(transitive) (US & Canadian, slang) to deceive or overwhelm with elaborate often insincere talk See snow job
be snowed under, to be overwhelmed, esp with paperwork
noun
C(harles) P(ercy), Baron. 1905–80, British novelist and physicist. His novels include the series Strangers and Brothers (1949–70)
n.
v.

Also þikke as snow þat snew,
Or al so hail þat stormes blew.
[Robert Mannyng of Brunne, transl. Wace’s “Chronicle,” c.1330]

The figurative sense of “overwhelm; surround, cover, and imprison” (as deep snows can do to livestock) is 1880, American English, in phrase to snow (someone) under. Snow job “strong, persistent persuasion in a dubious cause” is World War II armed forces slang, probably from the same metaphoric image.
snow
(snō)
Precipitation that falls to earth in the form of ice crystals that have complex branched hexagonal patterns. Snow usually falls from stratus and stratocumulus clouds, but it can also fall from cumulus and cumulonimbus clouds.

snow job
snow under