[ahy-suh-bront] /ˈaɪ səˌbrɒnt/
a line on a weather map or chart connecting various points where a given phase of thunderstorm activity occurred simultaneously.
[ahy-suh-byoo-teyn, -byoo-teyn] /ˌaɪ səˈbyu teɪn, -byuˈteɪn/ noun, Chemistry. 1. a colorless, flammable gas, C 4 H 10 , used as a fuel, as a refrigerant, and in the manufacture of gasoline by alkylation.
[ahy-suh-byoot-l-een] /ˌaɪ səˈbyut lˌin/ noun, Chemistry. 1. a colorless, very volatile liquid or flammable gas, C 4 H 8 , used chiefly in the manufacture of butyl rubber.
noun 1. .
[ahy-suh-byoo-til, -byoot-l, ahy-suh-] /ˈaɪ səˈbyu tɪl, -ˈbyut l, ˌaɪ sə-/ noun, Chemistry. 1. a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.