(measuring instrument) A device consisting principally of an alcohol thermometer, used to measure air cooling power and, indirectly, small wind speeds in circulating air, by measuring the time take...

(virology) Initialism of simian immunodeficiency virus. / (virology) Initialism of swine influenza virus, usually Influenza A virus. / (countable) Initialism of special immigrant visa.

plural of merrymaker

(chemistry) Derived from a plant of the family Aristolochiaceae. / (pathology) Caused by aristolochic acid.