19-letter words containing a, b, s, e, m, n
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- synchromesh gearbox — A synchromesh gearbox is a usually manually operated transmission in which a change of gears takes place between gears that are already revolving at the same speed.
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- the london assembly — the devolved legislature of London, based in City Hall, Southwark
- thumb one's nose at — to deride or mock, esp by placing the thumb on the nose with fingers extended
- transference number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- wassermann antibody — reagin (def 1).