▪ I. thalline, n. Pharm.
(ˈθælaɪn)
Also -in.
[f. Gr. θάλλ-ειν to bloom + -ine5.]
A trade name for a colourless compound used as an antipyretic, obtained by the reduction of the corresponding chinoline derivative.
Chemically it is tetrahydroparamethoxyquinoline, CH3OC6H3{btr1}{bbr1} CH2·NH·{btc1}CH2CH2 .
| 1885–8 Fagge & Pye-Smith Princ. Med. (ed. 2) I. 205 Thallin (the sulphate or tartrate of tetra-hydro-parachinanisol) is, I am disposed to think, as efficient or more so [than Antipyrin], and safer. 1898 Allbutt's Syst. Med. V. 234. |
b. attrib. thalline periodide, thalline sulphate: see quots.; thalline urine, urine affected by the use of thalline.
| 1899 Syd. Soc. Lex., Thalline periodide, T. periodosulphate. (Not official.) A combination of iodine and thalline sulphate. Black and crystalline... Thalline sulphate... The sulphate of a synthetically prepared base derived from chinoline... A yellowish white crystalline powder, with an odour [like] coumarin, and an aromatic bitter taste. |
▪ II. thalline, a. Bot.
(ˈθælaɪn)
[f. thallus + -ine1.]
Of or pertaining to a thallus.
thalline excipulum or thalline exciple, an excipulum composed of a portion of the thallus, which surrounds it and forms a bowl-like rim. (Bennett & Dyer tr. Sachs' Bot. (1875) 269.)
| 1856 W. L. Lindsay Pop. Hist. Brit. Lichens 45 This thalline fringe is very conspicuous. 1871 W. A. Leighton Lichen-Flora 179 Thalline margin entire. |