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- Dictionarydiurnal/dʌɪˈəːnl/
adjective
- 1. of or during the day. Similar
- 2. daily; of each day: "diurnal rhythms" Similar
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DIURNAL definition: 1. being active or happening during the day rather than at night: 2. happening over a period of a…. Learn more.
1. a. biology : active chiefly in the daytime. diurnal animals. b. : of, relating to, or occurring in the daytime. the city's diurnal noises. c. botany : opening during the day and closing at night. diurnal flowers. 2. a. : recurring every day. diurnal tasks. b. : having a daily cycle. diurnal tides. diurnally. dī-ˈər-nᵊl-ē. adverb. diurnal.
The adjective diurnal can be used to describe anything that takes place in the daytime, but it is most often used in the field of biology to describe animals that are active during the day and then sleep at night.
adj. 1. happening during the day or daily. 2. (Botany) (of flowers) open during the day and closed at night. 3. (Zoology) (of animals) active during the day. Compare nocturnal. n. (Roman Catholic Church) a service book containing all the canonical hours except matins. [C15: from Late Latin diurnālis, from Latin diurnus, from diēs day]
1. happening during the day or daily. 2. (of flowers) open during the day and closed at night. 3. (of animals) active during the day. Compare nocturnal. noun. 4. a service book containing all the canonical hours except matins. Collins English Dictionary.
adjective. of or relating to a day or each day; daily. of or belonging to the daytime ( nocturnal). Botany. showing a periodic alteration of condition with day and night, as certain flowers that open by day and close by night. active by day, as certain birds and insects ( nocturnal).
Diurnal definition: A book containing all the offices for the daily canonical hours of prayer except matins.
Definition of diurnal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A complete guide to the word "DIURNAL": definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.
All you need to know about "DIURNAL" in one place: definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.