noun (plural prothalli /-lʌɪ, -liː/)Botany
- More example sentences
- A consistent feature of every experiment that was undertaken in this study was that a sufficient quantity of white light was an absolute requirement for both prothallial and rhizoid development.
- The grain is empty because the body cell and prothallial nuclei have moved out along the pollen tube towards the archegonia.
Definition of prothallus in:
- The US English dictionary