The Collaborative International Dictionary
Barometric \Bar`o*met"ric\ (b[a^]r`[-o]*m[e^]t"r[i^]k), Barometrical \Bar`o*met"ric*al\ (b[a^]r`[-o]*m[e^]t"r[i^]*kal), a. Pertaining to the barometer; made or indicated by a barometer; as, barometric changes; barometrical observations.
Wiktionary
a. (context archaic English) Relating to, or observed with, a barometer, barometric.
WordNet
adj. relating to atmospheric pressure or indicated by a barometer; "barometric pressure" [syn: barometric]
Usage examples of "barometrical".
In the two cases given, if the change of weather follows immediately the movement of the barometrical column, that change will last only a very short time.
Now, just toward the 20th of February, the oscillations of the barometrical column began to preoccupy the young novice, who noted them several times a day with much care.
All the time the mercury continued to fall in the barometrical tube, and, on this last day, the novice noted that it kept continually below twenty-eight and seven-tenths inches.
Besides the barometrical column fell again almost immediately, and nothing could inspire any hope of the end of that bad weather within a short period.
The next day, March 27th, the column of mercury rose in the barometrical tube.
The wind kept in the condition of a stiff breeze all the time, and certain oscillations of the barometrical column indicated that it tended to freshen.