WordReference Random House Unabridged Dictionary of American English © 2026
so•le•noi•dal
(sō′lə noid′l, sol′ə-),USA pronunciation adj.
so′le•noi′dal•ly, adv.
WordReference Random House Learner's Dictionary of American English © 2026- Electricityof or pertaining to a solenoid.
- Mathematics(of a vector or vector function) having divergence equal to zero.
- solenoid + -al1 1870–75
so•le•noid /ˈsoʊləˌnɔɪd, ˈsɑlə-/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Electricitya coil of wire that, when carrying current, magnetically attracts a sliding iron core.
so•le•noid
(sō′lə noid′, sol′ə-),USA pronunciation n.
- Electricityan electric conductor wound as a helix with small pitch, or as two or more coaxial helices, so that current through the conductor establishes a magnetic field within the conductor.
- ElectricityAlso called so′lenoid switch′. a switch controlled by such an arrangement, in which a metal rod moves when the current is turned on: used in automotive starting systems.
- Meteorologya space formed by the intersection of isobaric and isosteric surfaces.
- Greek sōlé̄n pipe, channel + French -oïde -oid
- French solénoïde
- 1825–35