Columbia Encyclopedia

Search results

397 results found

acetaldehyde

(Encyclopedia)acetaldehyde ĕthˈənălˌ [key], CH3CHO, colorless liquid aldehyde, sometimes simply called aldehyde. It melts at −123℃, boils at 20.8℃, and is soluble in water and ethanol. It is formed by th...

meadow saffron

(Encyclopedia)meadow saffron or autumn crocus, perennial garden ornamental (Colchicum autumnale) of the family Liliaceae (lily family). Native to Europe and N Africa, it has escaped from gardens to meadows and fiel...

ibuprofen

(Encyclopedia)ibuprofen īˈbyo͞oprōˌfən [key], nonsteroidal anti-inflammatory drug (NSAID) that reduces pain, fever, and inflammation. Along with naproxen and ketoprofen, ibuprofen belongs to the propionic aci...

hydrocortisone

(Encyclopedia)hydrocortisone hīˌdrəkôrˈtĭzōnˌ [key], another name for the steroid hormone cortisol, more especially used to refer to preparations of this hormone used medicinally. Hydrocortisone, introduced...

ipecac

(Encyclopedia)ipecac ĭpˈĭkăk [key], drug obtained from the dried roots of a creeping shrub, Cephaelis (or Psychotria) ipecacuanha, native to Brazil but cultivated in other tropical climates. There are three var...

aloes

(Encyclopedia)aloes ălˈōz [key], drug obtained from the aloe; also a biblical name for an aromatic substance of various uses, mentioned in connection with myrrh and spices and thought to be the fragrant wood of ...

diuretic

(Encyclopedia)diuretic dīˌyərĕtˈĭk [key], drug used to increase urine formation and output. Diuretics are prescribed for the treatment of edema (the accumulation of excess fluids in the tissues of the body), ...

Daschle, Tom

(Encyclopedia)Daschle, Tom (Thomas Andrew Daschle) dăshˈəl [key], 1947–, U.S. senator from South Dakota (1987–2005), b. Aberdeen, S.Dak. A Democrat, he was elected to the U.S. House of Representatives in 197...

colchicine

(Encyclopedia)colchicine kŏlˈchəsēnˌ [key], alkaloid extracted from plants of the genus Colchicum and especially from the corms of the autumn crocus, Colchicum autumnale (see meadow saffron). The metabolic eff...

Selig, Bud

(Encyclopedia)Selig, Bud (Allan H. Selig), 1934–, American baseball executive, b. Milwaukee, grad. Univ. of Wisconsin (1956). After serving in the army, he inherited his father's car dealership, invested in other...