different between diel vs circadian

English

Etymology

From Latin dies (“day”) + -al.

Pronunciation

• IPA^(key): /?da?.?l/
• IPA^(key): /?di.?l/

Adjective

diel (not comparable)

1. (biology) Having a 24-hour period regardless of day or night.

See also

• diurnal
• nocturnal

References

• OED 2006

Anagrams

• IDLE, Idle, deli, eild, idle, lied

Middle English

Noun

diel

1. Alternative form of del

Slovak

Etymology

From Proto-Slavic *d?l?.

Pronunciation

• IPA^(key): [di?el]

Noun

diel m (genitive singular dielu, nominative plural diely, genitive plural dielov, declension pattern of dub)

1. division, part

Declension

Noun

diel n

1. genitive plural of dielo

West Frisian

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

diel n (plural dielen, diminutive dieltsje)

1. part, piece, section

Further reading

• “diel”, in Wurdboek fan de Fryske taal (in Dutch), 2011

English

Etymology

From the Latin circ? (“about”) and di?s (“a day”) with the English suffix -an. Compare circannual.

Pronunciation

• IPA^(key): /s???ke?di?n/

Adjective

circadian (not comparable)

1. (biology) of, relating to, or showing rhythmic behaviour with a period of 24 hours; especially of a biological process
   • 2000, Arnold Sameroff, et al., Handbook of Developmental Psychopathology, page 310

     The circadian clock is involved in the regulation of the diurnal sleep-wake cycle, […].

Synonyms

• diurnal (in its sense of "happening on a 24-hour cycle")

Derived terms

• circadian rhythm
• circadian clock

Related terms

• circalunar / circalunidian
• circasemidian

Translations

See also

• infradian
• ultradian

Anagrams

• cardician

Romanian

Etymology

From French circadien

Adjective

circadian m or n (feminine singular circadian?, masculine plural circadieni, feminine and neuter plural circadiene)

1. circadian

Declension