diurnal

noun

1

: journal sense 1a

2

archaic : diary, daybook

Synonyms of diurnal

• periodical
• newspaper
• journal
• book
• magazine

Examples of diurnal in a Sentence

a collection of diurnals containing essays by preeminent 19th-century American writers and thinkers

Word History

Etymology

derivative of diurnal entry 1

First Known Use

1600, in the meaning defined at sense 2

Rhymes for diurnal

• colonel
• journal
• kernel
• sternal
• vernal
• eternal
• external
• fraternal
• infernal
• internal
• maternal
• nocturnal

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Kids Definition

diurnal

adjective

di·​ur·​nal

dī-ˈərn-ᵊl

1

: occurring every day : daily

a diurnal task

2

a

: of, relating to, or occurring in the daytime

the city's diurnal noises

b

: active chiefly in the daytime

diurnal animals

diurnally

-ˈərn-ᵊl-ē

adverb

Medical Definition

diurnal

adjective

di·​ur·​nal dī-ˈərn-ᵊl 

1

: having a daily cycle

diurnal rhythms

2

a

: of, relating to, or occurring in the daytime

diurnal activity

b

: chiefly active during the daytime

diurnal mosquitoes

diurnally

-ᵊl-ē 

adverb