What's the difference between brilliant and polychromy?

Brilliant

Definition:

(p. pr.) Sparkling with luster; glittering; very bright; as, a brilliant star.
(p. pr.) Distinguished by qualities which excite admiration; splendid; shining; as, brilliant talents.
(a.) A diamond or other gem of the finest cut, formed into faces and facets, so as to reflect and refract the light, by which it is rendered more brilliant. It has at the middle, or top, a principal face, called the table, which is surrounded by a number of sloping facets forming a bizet; below, it has a small face or collet, parallel to the table, connected with the girdle by a pavilion of elongated facets. It is thus distinguished from the rose diamond, which is entirely covered with facets on the surface, and is flat below.
(a.) The smallest size of type used in England printing.
(a.) A kind of cotton goods, figured on the weaving.

Example Sentences:

(1) Brilliant, old-fashioned speech, from the days before teleprompters became all-dominant.
(2) Arrogant, narcissistic, egotistical, brilliant – all of that I can handle in Paul,” Levinson writes.
(3) "I have a brilliant staff and we have a duty to serve our readers and will continue to do that.
(4) Belfast in Odd Man Out Released in 1947, directed by Carol Reed Facebook Twitter Pinterest Carol Reed is a brilliant director of cities in films.
(5) Transition of the dye into the carbinol form is in water extremely slow, but is greatly accelerated in the presence of an organic phase, at least for malachite green and brilliant green, but not for crystal violet and pararosaniline.
(6) The prime minister told the Radio Times he was a fan of the "brilliant" US musical drama Glee, preferred Friends to The West Wing, and chose Lady Gaga over Madonna, and Cheryl Cole over Simon Cowell.
(7) Stationary-phase cells of Escherichia coli were enumerated by the pour plate method on Trypticase soy agar containing 0.3% yeast extract (TSYA), violet red-bile agar, and desoxycholate-lactose agar, and by the most-probable-number method in Brilliant Green-bile broth and lauryl sulfate broth.
(8) The resolution was such that at least 30 clear and discrete bands per sample could be observed after staining with Coomassie Brilliant Blue.
(9) For quantitative measurement of Coli and Coliform microorganisms five different culture media were used (Endoagar, Hexachlorophene Endoagar, Desoxycholatcitrat Agar, Violet Red Bile Agar and Brilliant Green Broth).
(10) The sensitivity of this staining is about 10,000-fold higher compared to protein-staining with Coomassie brilliant blue.
(11) Cholesterol enrichment enhanced the surface labeling of Coomassie brilliant blue stained bands 1,2,3, and 5, decreased the labeling of band 6, and did not change significantly that of band 4.
(12) Here’s Marie-Josée Kravis, advisor to the New York Fed, accessorizing brilliantly with her snake-effect silk scarf off on a power walk with her billionaire financier husband Henry Kravis, head of predatory investment company KKR.
(13) Gordon Brown, who made a brilliant speech, has shown once again real leadership in finding global solutions to global problems, just as he did at the G20 on finance.
(14) In it he translated Trump’s coarse ramblings into charming straight talk and came up with the phrase “truthful hyperbole”, which captures brilliantly an approach to business and politics in which everything is the greatest, the most beautiful.
(15) The effect of Brilliant Green on motility was studied with Salmonella anatum, S. derby, S. tennessee, Escherichia coli, Proteus vulgaris, and Pseudomonas aeruginosa.
(16) I look out at this brilliant audience here today, bulging with ideas, and I ask you possibly to solve it.
(17) These proteins were further separated on slab SDS gels and protein bands were excised after Coomassie Brilliant Blue R-250 staining and used to inject three rabbits.
(18) Experiments performed with Brilliant Blue showed no significant difference among formulations containing either 6.0, 12.0 or 20.0% of NMP.
(19) Climb through the forest and discover some small churches and a brilliant Indiana Jones-esque swing bridge.
(20) CB3G-A and Procion Brilliant Blue (PBB, II), a structural isomer of the Cibacron dye without the sulfonated benzoyl moiety, were attached covalently to Sepharose CL-6B.