pea soup
— Noun
– English
～ a heavy thick yellow fog
pea soup
— Noun
– English
～ a thick soup made of dried peas (usually made into a puree)
pea-souper
— Noun
– English
～ a heavy thick yellow fog
point source
— Noun
– English
～ a concentrated source (especially of radiation or pollution) that is spatially constricted
passive source
— Noun
– English
～ an informant who is not assigned to obtain specific intelligence but who routinely passes on whatever information he or she has