Definition of "dwell"
dwell
/dwɛl/
noun
plural dwells
(automotive) In a petrol engine, the period of time the ignition points are closed to let current flow through the ignition coil in between each spark. This is measured as an angle in degrees around the camshaft in the distributor which controls the points, for example in a 4-cylinder engine it might be 55° (spark at 90° intervals, points closed for 55° between each).
verb
third-person singular simple present dwells, present participle dwelling, simple past and past participle dwelt or (mostly US) dwelled