[1] : The Collaborative International Dictionary of English v.0.48

barometric \bar`omet"ric\ ba^r`-ome^t"ri^k,
barometrical \bar`omet"rical\ ba^r`-ome^t"ri^kal,
   a.
   pertaining to the barometer; made or indicated by a
   barometer; as, barometric changes; barometrical observations.
   1913 webster

[2] : WordNet (r) 2.0

barometric
     adj : relating to atmospheric pressure or indicated by a
           barometer; "barometric pressure" syn: barometrical
see also:
barometrical 

Barometric >> B Words
Barometric, definition of term: Barometric
barometric_pag1.html

Barometric Pres >> B Words
Barometric Pres, definition of term: Barometric Pres
barometric+pres_pag1.html