photorespirev.
/ˈfəʊtəʊrᵻˌspʌɪə/, U.S. /ˈfoʊdoʊrəˌspaɪ(ə)r/, /ˈfoʊdoʊriˌspaɪ(ə)r/ Botany and Biochemistry.
intransitive. To carry out photorespiration.
ΘΚΠ
the world > plants > by nutrition or respiration > [verb (intransitive)] > photosynthesize
photosynthesize1918
photorespire1969
1969 Science 21 Mar. 1355/2 If the leaf cytosomes are identical to peroxisomes, it would not be surprising if they were smaller or lacking in species which do not photorespire.
1983 Limnol. & Oceanogr. 28 755/2 Investigations of planktonic microalgae indicate..that most of these do not tend to photorespire.
2000 New Phytologist 146 371/2 Because photorespiration decreases net CO2 fixation, there is considerable interest in engineering plants that photosynthesize without photorespiring.
Derivatives
photoreˈspired adj. evolved by photorespiration.
ΘΚΠ
the world > plants > by nutrition or respiration > [adjective] > photosynthesizing or photosynthesized
photosynthetic1897
photosynthesizing1905
photosynthesized1910
phototrophic1921
photoautotrophic1939
photoheterotrophic1945
photoorganotrophic1951
photolithotrophic1954
photorespiratory1968
photorespiring1969
photorespired1970
1970 Nature 14 Nov. 687/2 Such plants may not photorespire, or alternatively may be capable of refixing all the photorespired CO2 by an unusually efficient photosynthetic mechanism.
1990 Plant, Cell & Environment 13 906/2 The photosynthetic benefits that might occur at warm leaf temperatures if a..species..were to evolve a mechanism to recycle photorespired CO2.
photoreˈspiring adj.
ΘΚΠ
the world > plants > by nutrition or respiration > [adjective] > photosynthesizing or photosynthesized
photosynthetic1897
photosynthesizing1905
photosynthesized1910
phototrophic1921
photoautotrophic1939
photoheterotrophic1945
photoorganotrophic1951
photolithotrophic1954
photorespiratory1968
photorespiring1969
photorespired1970
1969 Science 21 Mar. 1355/2 We have extensively studied only photorespiring plants.
2000 New Phytologist 146 377/2 The mitochondria and cytosol of photorespiring leaf cells.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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