fluoresceicadj.

Brit.

/ˌflʊərəˈsiːɪk/,

/ˌflɔːrəˈsiːɪk/, U.S.

/ˌflʊrəˈsiɪk/,

/ˌflɔrəˈsiɪk/

Forms: 1800s– fluoresceic, 1800s– fluorescic Brit.

/flʊəˈrɛsɪk/,

/flɔːˈrɛsɪk/,

/flᵿˈrɛsɪk/, U.S.

/flʊˈrɛsɪk/,

/flɔˈrɛsɪk/,

/fləˈrɛsɪk/.

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: fluorescein n., -ic suffix.

Etymology: < fluoresce- (in fluorescein n.) + -ic suffix, after German Fluoresceïnsäure fluoresceic acid (1889 or earlier; < Fluoresceïn fluorescein n. + Säure acid).

Chemistry. rare (now perhaps disused).

fluoresceic acid adj. an acid, known only as substituted derivatives (e.g. some forms of the dye eosin), of which fluorescein was said to be the anhydride.Formula: C₂₀H₁₄O₅.

ΘΚΠ

the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing hydrogen or hydracids

hydracid1823

maleic acid1838

hydro-acid1845

hydrogen acid1866

fluoresceic acid1889

maleinic acid1889

1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 557 Fluoresceic acid, C₂₀H₁₄O₆... Fluorescein may be looked upon as the anhydride of this acid.

1919 Jrnl. Exper. Zool. 29 477 Eosin and tetra-brom-fluorescic acid were used as counterstains, the latter being especially good for staining external structures as cilia, cirri, and membranelles.

This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).

单词	fluoresceic
释义	fluoresceicadj. Brit. /ˌflʊərəˈsiːɪk/, /ˌflɔːrəˈsiːɪk/, U.S. /ˌflʊrəˈsiɪk/, /ˌflɔrəˈsiɪk/ Forms: 1800s– fluoresceic, 1800s– fluorescic Brit. /flʊəˈrɛsɪk/, /flɔːˈrɛsɪk/, /flᵿˈrɛsɪk/, U.S. /flʊˈrɛsɪk/, /flɔˈrɛsɪk/, /fləˈrɛsɪk/. Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: fluorescein n., -ic suffix. Etymology: < fluoresce- (in fluorescein n.) + -ic suffix, after German Fluoresceïnsäure fluoresceic acid (1889 or earlier; < Fluoresceïn fluorescein n. + Säure acid). Chemistry. rare (now perhaps disused). fluoresceic acid adj. an acid, known only as substituted derivatives (e.g. some forms of the dye eosin), of which fluorescein was said to be the anhydride.Formula: C₂₀H₁₄O₅. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing hydrogen or hydracids hydracid1823 maleic acid1838 hydro-acid1845 hydrogen acid1866 fluoresceic acid1889 maleinic acid1889 1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 557 Fluoresceic acid, C₂₀H₁₄O₆... Fluorescein may be looked upon as the anhydride of this acid. 1919 Jrnl. Exper. Zool. 29 477 Eosin and tetra-brom-fluorescic acid were used as counterstains, the latter being especially good for staining external structures as cilia, cirri, and membranelles. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < adj.1889
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