† phycochromaceousadj.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Phycochromaceae , -ous suffix.

Etymology: < scientific Latin Phycochromaceae, class name (1867 or earlier; < phyco- phyco- comb. form + ancient Greek χρῶμα colour (see chrome n.) + scientific Latin -aceae : see -aceous suffix) + -ous suffix. Compare German Phytochromaceen , plural (1867 or earlier), French phycochromacées , plural (1868 or earlier). Compare slightly earlier phycochrome n.

Botany. Obsolete.

Of or relating to the (former) class Phycochromaceae, comprising the cyanobacteria (blue-green algae).

ΘΚΠ

the world > plants > particular plants > algae > [adjective] > of types of algae

confervoid1830

confervaceous1853

glœocapsoid1857

nostochine1857

characeous1866

palmelloid1869

nostocaceous1872

phycochromaceous1873

volvocinaceous1874

rhodophycean1876

protococcal1879

oscillatoriaceous1881

protococcoid1882

volvocinean1885

naviculoid1894

charophytic1920

myxophycean1928

floridean1935

protococcoidal1965

1873 Q. Jrnl. Microsc. Sci. 221 The cultivation of phycochromaceous gonidia obtained from lichens of a different nature.

1880 Nature 26 Feb. 391/1 Desmideae, Diatomaceae, and phycochromaceous forms furnish no less than 600 out of the total 794 species.

1886 Amer. Naturalist 20 380 A motile organism..which he regards as the swarm-cell condition of a phycochromaceous alga, probably an Oscillaria.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2020).

单词	phycochromaceous
释义	† phycochromaceousadj. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Phycochromaceae , -ous suffix. Etymology: < scientific Latin Phycochromaceae, class name (1867 or earlier; < phyco- phyco- comb. form + ancient Greek χρῶμα colour (see chrome n.) + scientific Latin -aceae : see -aceous suffix) + -ous suffix. Compare German Phytochromaceen , plural (1867 or earlier), French phycochromacées , plural (1868 or earlier). Compare slightly earlier phycochrome n. Botany. Obsolete. Of or relating to the (former) class Phycochromaceae, comprising the cyanobacteria (blue-green algae). ΘΚΠ the world > plants > particular plants > algae > [adjective] > of types of algae confervoid1830 confervaceous1853 glœocapsoid1857 nostochine1857 characeous1866 palmelloid1869 nostocaceous1872 phycochromaceous1873 volvocinaceous1874 rhodophycean1876 protococcal1879 oscillatoriaceous1881 protococcoid1882 volvocinean1885 naviculoid1894 charophytic1920 myxophycean1928 floridean1935 protococcoidal1965 1873 Q. Jrnl. Microsc. Sci. 221 The cultivation of phycochromaceous gonidia obtained from lichens of a different nature. 1880 Nature 26 Feb. 391/1 Desmideae, Diatomaceae, and phycochromaceous forms furnish no less than 600 out of the total 794 species. 1886 Amer. Naturalist 20 380 A motile organism..which he regards as the swarm-cell condition of a phycochromaceous alga, probably an Oscillaria. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2020). < adj.1873
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