Crossword-Solution: CONFOCAL
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Confocal | a. | Having the same foci; as, confocal quadrics. |
We have 1 clue for the answer “CONFOCAL”
| Clue | Answers |
|---|---|
| CONIC sections that have the same foci | 1 answer |
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Hint 1 meaning
One who, or that which, eats.
Hint 2 anagram
REATE
Hint 3 another clue
greedy person
10 +1
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Sentences with CONFOCAL (3)
The potential of such a shell at any internal point is constant, and the equipotential surfaces for external space are ellipsoids confocal with the ellipsoidal shell.
The theory of cosingular complexes is thus brought into line with that of confocal surfaces in four dimensions, and guided by these principles the existence of cosingular quadratic complexes can easily be established, the analysis required being almost the same as that invented for confocal cyclides by Darboux and others.
Writing the equation of the focal ellipse of the Darboux hyperboloid through H, enlarged to double scale so that O is the centre, (30) x²/[alpha]² + y²/ß² + z²/O = 1, with [alpha]² + [lambda], ß² + [lambda], [lambda] denoting the squares of the semiaxes of a confocal ellipsoid, and [lambda] changed into µ and [nu] for a confocal hyperboloid of one sheet and of two sheets.