algan.

Brit.

/ˈalɡə/, U.S.

/ˈælɡə/

Inflections: Plural algae Brit.

/ˈaldʒiː/,

/ˈalɡiː/,

/ˈalɡʌɪ/,

/ˈaldʒʌɪ/, U.S.

/ˈæl(ˌ)dʒi/,

/ˈæl(ˌ)ɡi/,

/ˈæl(ˌ)dʒaɪ/,

/ˈæl(ˌ)ɡaɪ/.

Origin: A borrowing from Latin. Etymon: Latin alga.

Etymology: < classical Latin alga seaweed, of unknown origin. Compare Middle French alga, alge (1551; Middle French, French algue), German Alge (18th cent.; compare earlier †alga (1493 with Latin inflection in a German context)).

Originally: a seaweed. In later use (chiefly in plural): any of a large, diverse group of chiefly aquatic organisms which are capable of photosynthesis, many of which are plant-like in form but lack the true stems, roots, leaves, and vascular tissue which characterize typical land plants. Also with distinguishing word.The algae form a polyphyletic group containing seaweeds and many unicellular and filamentous forms, some of which form large colonies. Certain photosynthetic microorganisms (such as cyanobacteria) were formerly classified as algae, but are now considered to be bacteria.blue-green, green, red, snow alga, etc.: see the first element.

ΘΚΠ

the world > plants > particular plants > algae > [noun] > alga

alga?1527

flag1778

algal1846

Algal alliance1846

algs1867

macroalga1976

the world > plants > particular plants > algae > seaweed > [noun] > a seaweed

alga?1527

reet1538

reeks1566

seaweeda1684

thalassiophyte1842

the world > plants > particular plants > algae > [noun]

alga1785

phytobenthos1931

?1527 L. Andrewe tr. Noble Lyfe Bestes sig. t.v Trebius only aboue all other fysshes dothe brede on a tre named Alga.

1551 W. Turner New Herball sig. K iiij Alga whiche is a common name vnto a great parte of see herbes, and is commonly called in englyshe see wrak.

1608 B. Jonson Characters Two Royall Masques i. sig. A4 Oceanvs was gyrlonded with Alga, or Sea-grasse.

1660 J. Dryden Astræa Redux 9 With Alga who the sacred altar strowes?

1715 S. Switzer Nobleman, Gentleman, & Gardener's Recreation vi. 126 Such are our Sea-Purslains, the several sorts of Alga's, of Sampires, and other Marine Plants.

1753 Chambers's Cycl. Suppl. The alga's are some marine..others fluviatile.

1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. x. 120 Algæ. Having..the seeds either like a meal on the leaves or inclosed in bladders.

1832 C. Lyell Princ. Geol. (ed. 2) II. 78 These banks of algæ in the Northern Atlantic.

1849 M. Somerville On Connexion Physical Sci. (ed. 8) xxvii. 301 The snow itself..produces a red alga.

1875 Trans. Mass. Hort. Soc. No. 1. 50 Many of the Algæ are very beautiful, but are not cultivated to any extent.

1909 E. Warming et al. Oecol. Plants 85 The symbiosis between lichen-fungi and algae is obviously most correctly interpreted as helotism.

1941 R. Headstrom Adventures with Microscope xi. 40 Another Alga of interest is Oscillatoria..which may be found in almost all standing water.

1968 Times 28 Dec. 18/3 This is the time to clean greenhouse and frame glass... A coating of grime and algae can seriously reduce the light penetration.

2003 V. Rapp Life in old Growth Forest iv. 41/2 Lichens are actually double plants. The outer plant is a fungus. Inside the fungus an alga grows.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	alga
释义	algan. Brit. /ˈalɡə/, U.S. /ˈælɡə/ Inflections: Plural algae Brit. /ˈaldʒiː/, /ˈalɡiː/, /ˈalɡʌɪ/, /ˈaldʒʌɪ/, U.S. /ˈæl(ˌ)dʒi/, /ˈæl(ˌ)ɡi/, /ˈæl(ˌ)dʒaɪ/, /ˈæl(ˌ)ɡaɪ/. Origin: A borrowing from Latin. Etymon: Latin alga. Etymology: < classical Latin alga seaweed, of unknown origin. Compare Middle French alga, alge (1551; Middle French, French algue), German Alge (18th cent.; compare earlier †alga (1493 with Latin inflection in a German context)). Originally: a seaweed. In later use (chiefly in plural): any of a large, diverse group of chiefly aquatic organisms which are capable of photosynthesis, many of which are plant-like in form but lack the true stems, roots, leaves, and vascular tissue which characterize typical land plants. Also with distinguishing word.The algae form a polyphyletic group containing seaweeds and many unicellular and filamentous forms, some of which form large colonies. Certain photosynthetic microorganisms (such as cyanobacteria) were formerly classified as algae, but are now considered to be bacteria.blue-green, green, red, snow alga, etc.: see the first element. ΘΚΠ the world > plants > particular plants > algae > [noun] > alga alga?1527 flag1778 algal1846 Algal alliance1846 algs1867 macroalga1976 the world > plants > particular plants > algae > seaweed > [noun] > a seaweed alga?1527 reet1538 reeks1566 seaweeda1684 thalassiophyte1842 the world > plants > particular plants > algae > [noun] alga1785 phytobenthos1931 ?1527 L. Andrewe tr. Noble Lyfe Bestes sig. t.v Trebius only aboue all other fysshes dothe brede on a tre named Alga. 1551 W. Turner New Herball sig. K iiij Alga whiche is a common name vnto a great parte of see herbes, and is commonly called in englyshe see wrak. 1608 B. Jonson Characters Two Royall Masques i. sig. A4 Oceanvs was gyrlonded with Alga, or Sea-grasse. 1660 J. Dryden Astræa Redux 9 With Alga who the sacred altar strowes? 1715 S. Switzer Nobleman, Gentleman, & Gardener's Recreation vi. 126 Such are our Sea-Purslains, the several sorts of Alga's, of Sampires, and other Marine Plants. 1753 Chambers's Cycl. Suppl. The alga's are some marine..others fluviatile. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. x. 120 Algæ. Having..the seeds either like a meal on the leaves or inclosed in bladders. 1832 C. Lyell Princ. Geol. (ed. 2) II. 78 These banks of algæ in the Northern Atlantic. 1849 M. Somerville On Connexion Physical Sci. (ed. 8) xxvii. 301 The snow itself..produces a red alga. 1875 Trans. Mass. Hort. Soc. No. 1. 50 Many of the Algæ are very beautiful, but are not cultivated to any extent. 1909 E. Warming et al. Oecol. Plants 85 The symbiosis between lichen-fungi and algae is obviously most correctly interpreted as helotism. 1941 R. Headstrom Adventures with Microscope xi. 40 Another Alga of interest is Oscillatoria..which may be found in almost all standing water. 1968 Times 28 Dec. 18/3 This is the time to clean greenhouse and frame glass... A coating of grime and algae can seriously reduce the light penetration. 2003 V. Rapp Life in old Growth Forest iv. 41/2 Lichens are actually double plants. The outer plant is a fungus. Inside the fungus an alga grows. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.?1527
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