aplanatic

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ap·la·nat·ic

 (ăp′lə-năt′ĭk)
adj.
Of or relating to optical systems that correct for spherical aberration.

[From a- + Greek planāsthai, to wander; see pelə- in Indo-European roots.]

aplanatic

(ˌæpləˈnætɪk)
adj
(General Physics) (of a lens or mirror) free from spherical aberration
[C18: from Greek aplanētos prevented from wandering, from a-1 + planētos, from planaein to wander]
ˌaplaˈnatically adv

ap•la•nat•ic

(ˌæp ləˈnæt ɪk)

adj.
(of a lens) free from spherical aberration and coma.
[1785–95; aplanat- (irreg. < Greek aplánētos; see a-6, planet) + -ic]
ap`la•nat′i•cal•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.aplanatic - free from or corrected for spherical aberrationaplanatic - free from or corrected for spherical aberration; "an aplanatic mirror"
optics - the branch of physics that studies the physical properties of light
corrected - having something undesirable neutralized; "with glasses her corrected vision was 20:20"
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