refining

Words with a similar base: refining

[refining.n.01] as in: the process of removing impurities (as from oil or metals or sugar etc.)

[polish.v.02] as in: improve or perfect by pruning or polishing

[complicate.v.02] as in: make more complex, intricate, or richer

[refine.v.03] as in: treat or prepare so as to put in a usable condition

[refine.v.04] as in: reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities

[refine.v.05] as in: attenuate or reduce in vigor, strength, or validity by polishing or purifying

[refine.v.06] as in: make more precise or increase the discriminatory powers of

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