† parabann.

Origin: Either (i) formed within English, by clipping or shortening. Or (ii) a borrowing from German. Etymons: parabanic acid n. at parabanic adj.; German Parabansäure.

Etymology: Either shortened < parabanic acid n. at parabanic adj. (compare the etymological note at that entry), or directly < the first element of its etymon German Parabansäure. Compare earlier alloxan n.

Chemistry. Obsolete.

= parabanic acid n. at parabanic adj.

ΘΚΠ

the world > matter > chemistry > organic chemistry > acids obtained from animals > [noun] > in urine > uric acid > derivatives of

parabanic acid1838

paraban1842

1842 R. Kane Elements Chem. (new ed.) xvii. 820 When its ammonia salt [sc. that of mellitic acid] is decomposed by heat, it is resolved into two very singular bodies, paraban and euchroic acid.

1869 R. Bridges Fownes's Man. Elem. Chem. (ed. 10) 726 Oxalic acid forms two monureides—namely, parabanic acid or paraban, analogous to alloxan; and oxaluric acid.

1873 C. H. Ralfe Outl. Physiol. Chem. p. xxviii Kreatin is a monureide, and so are paraban and alloxan, which are obtained by the oxidation of uric acid.

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	paraban
释义	† parabann. Origin: Either (i) formed within English, by clipping or shortening. Or (ii) a borrowing from German. Etymons: parabanic acid n. at parabanic adj.; German Parabansäure. Etymology: Either shortened < parabanic acid n. at parabanic adj. (compare the etymological note at that entry), or directly < the first element of its etymon German Parabansäure. Compare earlier alloxan n. Chemistry. Obsolete. = parabanic acid n. at parabanic adj. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from animals > [noun] > in urine > uric acid > derivatives of parabanic acid1838 paraban1842 1842 R. Kane Elements Chem. (new ed.) xvii. 820 When its ammonia salt [sc. that of mellitic acid] is decomposed by heat, it is resolved into two very singular bodies, paraban and euchroic acid. 1869 R. Bridges Fownes's Man. Elem. Chem. (ed. 10) 726 Oxalic acid forms two monureides—namely, parabanic acid or paraban, analogous to alloxan; and oxaluric acid. 1873 C. H. Ralfe Outl. Physiol. Chem. p. xxviii Kreatin is a monureide, and so are paraban and alloxan, which are obtained by the oxidation of uric acid. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1842
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