spheroidize verb. ['sfɪǝrɔɪdʌɪz] Also spheroidise. E20.
[from SPHEROID noun + -IZE.]
Metallurgy.
1. verb intrans. Of grains, esp. of graphite in cast iron or steel: undergo conversion into spheroids. E20.

2. verb trans. Convert into spheroids or to a spheroidal form. E20.

■ spheroidi'zation noun the process of converting to spheroidal or nodular form E20.

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