Columbia Encyclopedia

Search results

500 results found

Robinson, Sugar Ray

(Encyclopedia)Robinson, Sugar Ray, 1920–89, American boxer, b. Detroit as Walker Smith, Jr. He began boxing after three years of high school in New York City. Having won all his amateur fights (about 90), includi...

Charles, Ray

(Encyclopedia)Charles, Ray (Ray Charles Robinson), 1930–2004, African-American musician and composer, b. Albany, Ga. Blinded at age seven, he was raised in Florida and at 16 began singing in a local hillbilly gro...

sugar

(Encyclopedia)sugar, compound of carbon, hydrogen, and oxygen belonging to a class of substances called carbohydrates. Sugars fall into three groups: the monosaccharides, disaccharides, and trisaccharides. The mono...

Wilbur, Ray Lyman

(Encyclopedia)Wilbur, Ray Lyman, 1875–1949, American public official and educator, b. Boonesboro, Iowa, grad. Stanford (B.A., 1896; M.A., 1897) and Cooper Medical College, San Francisco, 1899. After studying medi...

Ray, Satyajit

(Encyclopedia)Ray, Satyajit sätyäˈjĭt rī, rā [key], 1921–92, Indian film director, b. Calcutta (now Kolkata). His subtle, austere, and delicately lyrical films made him one of the outstanding filmmakers of ...

X ray

(Encyclopedia)CE5 Typical X-ray composite spectrum (intensity as a function of frequency) X ray, invisible, highly penetrating electromagnetic radiation of much shorter wavelength (higher frequency) than visibl...

grape sugar

(Encyclopedia)grape sugar: see glucose.

fruit sugar

(Encyclopedia)fruit sugar: see fructose.

milk sugar

(Encyclopedia)milk sugar: see lactose.

cane sugar

(Encyclopedia)cane sugar: see sucrose.