[ahy-sal-uh-bahr] /aɪˈsæl əˌbɑr/
a line on a weather map or chart connecting points having equal pressure changes.
(meteorol) a line on a map running through places experiencing equal pressure changes
A line on a weather map connecting places having equal changes in atmospheric pressure within a given period of time. Isallobars measure pressure tendency, a value that describes both the difference in barometric pressure at the beginning and end of a given time period as well as the pattern—falling, rising, or steady—of pressure change.
[ahy-sal-uh-thurm] /aɪˈsæl əˌθɜrm/ noun, Meteorology. 1. a line on a weather map or chart connecting points having equal temperature variations within a given period of time.
Indexed Sequential Access Method indexed sequential access method
[ahy-suh-nom-uh l] /ˌaɪ səˈnɒm əl/ noun, Meteorology. 1. a line on a map or chart connecting points having an equal anomaly of a meteorological quantity.
[ahy-san-thuh s] /aɪˈsæn θəs/ adjective, Botany. 1. having regular flowers.