equalize

verb

1. (transitive)To make equal; to cause to correspond in amount or degree.

   “to equalize accounts, burdens, or taxes”

   “One poor moment can suffice / To equalize the lofty and the low.”

   “No system of instruction will completely equalize natural powers.”

2. (obsolete, transitive)To be equal to; to equal, to rival.

   “But a third kingdom yet is to arise / Out of the Trojans scattered ofspring, / That in all glory and great enterprise, / Both first and second Troy shall dare to equalise.”

   “polling the reformed churches whether they equalize in number those of his three kingdoms”

3. (intransitive)To make the scoreline equal by scoring points.
4. To clear the ears to balance the pressure in the middle ear with the outside pressure by letting air enter along the Eustachian tubes.
5. to precompose with each of a parallel pair of morphisms so as to yield the same composite morphism.
6. To adjust the balance between frequency components within an electronic signal.

   “The technique for frequency slewing of a transient is different from that for vibration testing in that it is necessary to equalize at low level as the clock frequency is slewed in relatively small increments from the nominal to the desired frequency.”