You know what it looks like… but what is it called?
TAKE THE QUIZ“circle of”
The following 7 entries include the term circle of.
circle of Apollonius
: a circle that is the locus of points the ratio of whose distances from two given fixed points is constant
circle of confusion
: the indistinct circular patch formed by a lens representing the out-of-focus image of a single object point compare circle of least confusion
circle of curvature
: the osculating circle of a curve
circle of fifths
: keys or tonalities ordered by ascending (for sharp keys) or descending (for flat keys) intervals of a fifth
circle of latitude
: a great circle perpendicular to the plane of the ecliptic
circle of least confusion
: the minimum cross section of a symmetrical bundle of rays that have no common focus because of spherical aberration
circle of position
: a circle on the earth whose center is the point directly under a celestial body and whose radius is the zenith distance of the celestial body, the observer's location being somewhere on this circle compare sumner line
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Merriam-Webster unabridged
