diurnal
pronunciation
How to pronounce diurnal in British English:
UK [daɪˈɜ:nl]
How to pronounce diurnal in American English:
US [daɪˈɜrnl]
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- Adjective:
- belonging to or active during the day
- having a daily cycle or occurring every day
Word Origin
- diurnal
- diurnal: see journey
- diurnal (adj.)
- late 14c., from Late Latin diurnalis "daily," from Latin dies "day" + -urnus, an adjectival suffix denoting time (compare hibernus "wintery"). Dies "day" is from PIE root *dyeu- "to shine" (cognates: Sanskrit diva "by day," Welsh diw, Breton deiz "day;" Armenian tiw; Lithuanian diena; Old Church Slavonic dini, Polish dzień, Russian den), literally "to shine" (compare Greek delos "clear;" Latin deus, Sanskrit deva "god," literally "shining one;" Avestan dava- "spirit, demon;" Lithuanian devas, Old Norse tivar "gods;" Old English Tig, genitive Tiwes, see Tuesday).
Example
- 1. Study of diurnal variations of tropical cyclone landfall time .
- 2. The formation and diurnal changes of stratiform clouds in southern china .
- 3. Research on the characteristics of photosynthetic diurnal variations of five dwarf bamboos .
- 4. Unlike their diurnal relatives , night glory drakes are shy and reserved .
- 5. Relationship between diurnal changes of net photosynthetic rate and environmental factors in leaves of zizania latifolia .