chemical compound, SiC, that forms extremely hard, dark, iridescent crystals that are insoluble in water and other common solvents. Widely used as an ...
designation for two groups of intellectuals in mid-19th-century Russia that represented opposing schools of thought concerning the nature of Russian c...
fine, horny, translucent, yellowish fiber produced by the silkworm in making its cocoon and covered with sericin, a protein. Many varieties of silk-sp...
name for any plant of the genus Helenium, American meadow and field herbs of the family Asteraceae (aster family), with daisylike heads of yellow (or ...