green algan.

Brit.

/ˌɡriːn ˈalɡə/, U.S.

/ˌɡrin ˈælɡə/

Inflections: Plural green algae.

Origin: Formed within English, by compounding. Etymons: green adj., alga n.

Etymology: < green adj. + alga n.

Any of various eukaryotic, photosynthetic algae, chiefly of freshwater and terrestrial habitats, which have similar pigmentation to the higher plants, with green chloroplasts containing two specific types of chlorophyll; esp. an alga of the division Chlorophyta. Usually in plural.

ΘΚΠ

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

Codium1797

palmella1825

green alga1843

green water1854

chlorosperm1857

1841 W. H. Harvey Man. Brit. Algæ p. ix In colour, the Algæ exhibit three principal varieties, with, of course, numerous intermediate shades, namely, grass-green, olivaceous, red.]

1843 Phytologist 1 583 The great mass of the green Algæ being inconsiderably submerged.

1857 M. J. Berkeley Introd. Cryptogamic Bot. § 133 Of those green Algae which are masked by calcareous matter, there are two series distinguished by their monosiphonous or polysiphonous stems.

1911 G. S. West in A. G. Tansley Types Brit. Vegetation vii. 197 The Green Algæ (or Chlorophyceæ) are a prominent feature of all the lake-areas.

1939 E. A. Bessey Text-bk. Mycol. (new ed.) ii. 50 Another alternative is to regard the Chytridiales as derived from some of the one-celled green algae.

1969 F. E. Round Introd. Lower Plants ii. 12 A group of green algae (Xanthophyta) not included with the Chlorophyta are difficult to characterize briefly.

2002 Water Gardener July 78/1 Technically the correct term for blanket weed is ‘filamentous green algae’, and rather than there being just one type as many people think, there are in fact hundreds.

This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).

单词	green alga
释义	green algan. Brit. /ˌɡriːn ˈalɡə/, U.S. /ˌɡrin ˈælɡə/ Inflections: Plural green algae. Origin: Formed within English, by compounding. Etymons: green adj., alga n. Etymology: < green adj. + alga n. Any of various eukaryotic, photosynthetic algae, chiefly of freshwater and terrestrial habitats, which have similar pigmentation to the higher plants, with green chloroplasts containing two specific types of chlorophyll; esp. an alga of the division Chlorophyta. Usually in plural. ΘΚΠ the world > plants > particular plants > algae > [noun] > green algae Codium1797 palmella1825 green alga1843 green water1854 chlorosperm1857 1841 W. H. Harvey Man. Brit. Algæ p. ix In colour, the Algæ exhibit three principal varieties, with, of course, numerous intermediate shades, namely, grass-green, olivaceous, red.] 1843 Phytologist 1 583 The great mass of the green Algæ being inconsiderably submerged. 1857 M. J. Berkeley Introd. Cryptogamic Bot. § 133 Of those green Algae which are masked by calcareous matter, there are two series distinguished by their monosiphonous or polysiphonous stems. 1911 G. S. West in A. G. Tansley Types Brit. Vegetation vii. 197 The Green Algæ (or Chlorophyceæ) are a prominent feature of all the lake-areas. 1939 E. A. Bessey Text-bk. Mycol. (new ed.) ii. 50 Another alternative is to regard the Chytridiales as derived from some of the one-celled green algae. 1969 F. E. Round Introd. Lower Plants ii. 12 A group of green algae (Xanthophyta) not included with the Chlorophyta are difficult to characterize briefly. 2002 Water Gardener July 78/1 Technically the correct term for blanket weed is ‘filamentous green algae’, and rather than there being just one type as many people think, there are in fact hundreds. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022). < n.1843
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