[ih-fed-rin, ef-i-dreen, -drin] /ɪˈfɛd rɪn, ˈɛf ɪˌdrin, -drɪn/
a white, crystalline alkaloid, C 10 H 15 N, obtained from a species of Ephedra or synthesized: used in medicine chiefly for the treatment of asthma, hay fever, and colds.
/ɪˈfɛdrɪn; ˈɛfɪˌdriːn; -drɪn/
a white crystalline alkaloid obtained from plants of the genus Ephedra: used for the treatment of asthma and hay fever; l-phenyl-2-methylaminopropanol. Formula: C6H5CH(OH)CH(NHCH3)CH3
1889, named 1887 by Japanese organic chemist Nagai Nagayoshi (1844-1929), from the plant ephedra, from which it was first extracted, + chemical suffix -ine (2).
ephedrine e·phed·rine (ĭ-fěd’rĭn, ěf’ĭ-drēn’)
An odorless crystalline or powdered alkaloid isolated from shrubs of the genus Ephedra or made synthetically and used in the treatment of allergies and asthma.
A white, odorless, powdered or crystalline alkaloid isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma. Chemical formula: C10H15NO.
ephelis e·phe·lis (ĭ-fē’lĭs) n. pl. e·phe·li·des (-lĭ-dēz’) Freckle.
[ih-fem-er-uh] /ɪˈfɛm ər ə/ noun, plural ephemeras, ephemerae [ih-fem-uh-ree] /ɪˈfɛm əˌri/ (Show IPA), for 2. 1. a plural of . 2. an ephemerid. [ih-fem-uh-ron, -er-uh n] /ɪˈfɛm əˌrɒn, -ər ən/ noun, plural ephemera [ih-fem-er-uh] /ɪˈfɛm ər ə/ (Show IPA), ephemerons. 1. anything short-lived or ephemeral. 2. ephemera, items designed to be useful or important for […]
[ih-fem-er-uh] /ɪˈfɛm ər ə/ noun, plural ephemeras, ephemerae [ih-fem-uh-ree] /ɪˈfɛm əˌri/ (Show IPA), for 2. 1. a plural of . 2. an ephemerid. /ɪˈfɛmərə/ noun (pl) -eras, -erae (-əˌriː) 1. a mayfly, esp one of the genus Ephemera 2. something transitory or short-lived 3. (functioning as pl) a class of collectable items not originally intended […]
[ih-fem-er-uh l] /ɪˈfɛm ər əl/ adjective 1. lasting a very short time; short-lived; transitory: the ephemeral joys of childhood. 2. lasting but one day: an ephemeral flower. noun 3. anything short-lived, as certain insects. /ɪˈfɛmərəl/ adjective 1. lasting for only a short time; transitory; short-lived: ephemeral pleasure noun 2. a short-lived organism, such as the […]