photobiontn.
/ˌfəʊtəʊˈbʌɪɒnt/, U.S. /ˌfoʊdoʊˈbaɪˌɑnt/ Biology.
The photosynthetic component of a lichen, which may be either a green alga or a cyanobacterium. Cf. phycobiont n.
ΚΠ
1981 V. Ahmadjian in Internat. Lichenol. Newsl. 15 19 Photosynthetic symbionts of lichens should together be referred to as photobionts (antonym is mycobionts).
1985 Lichenologist 17 173 In Psoromidium..the main photobiont is green and present in a layer below the upper cortex of the squamules; Nostoc occurs in scattered, well-defined cephalodia.
2001 Nature 21 June 937/1 About one-fifth of all known extant fungal species form obligate symbiotic associations with green algae, cyanobacteria or with both photobionts.
This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1981- well-foundedness
- well-framed
- well-fraught
- well-freckled
- well-freighted
- well-frequented
- well-freshed
- well-fruited
- well-furnished
- well-furnishedness
- well-furred
- well-gaited
- well-garnished
- well-geared
- well-girse
- well-girt
- well-given
- well-glebed
- well-glossed
- well-gloved
- well-god
- well-going
- well-got
- well-gotten
- well-governed