Similar words: journal, nocturnal, journalism, journalist, journalese, general journal, yellow journalism, cash receipts journal. Meaning: [daɪ'ɜːnl] 
adj. 1. belonging to or active during the day 2. having a daily cycle or occurring every day.
adj. 1. belonging to or active during the day 2. having a daily cycle or occurring every day. 91. The curve of diurnal variation of leaf photosynthesis showed two single peak.
92. Diurnal maximal value of stomatal conductance and transpiration was seen at 15:00 h.
More similar words: journal, nocturnal, journalism, journalist, journalese, general journal, yellow journalism, cash receipts journal, furnace, surname, turn away, tournament, turn around, turnaround, supernal, vernal, carnal, eternal, turn a blind eye, maternal, infernal, eternally, external, paternal, internal, turn a blind eye to, turnaround time, turn a deaf ear to, externally, fraternal.