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🇯🇵Japanese Source WordCode: JA

発情期

Pronunciation / Transliteration: hatsujōki

🇬🇧 Direct English Meaning:
Estrus/ˈɛstrəs/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇯🇵 Example Sentence in Japanese:

"雌の動物が発情期を迎える。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The periodic state of sexual receptivity in female mammals, commonly referred to as being in heat.

    "The veterinarian monitored the mare closely as she entered estrus."
  2. 2

    A state of heightened sexual excitement or frantic impulse.

    "The psychological drive was likened to a biological estrus."
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Thesaurus & Semantic Spectrum

Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Greek word 'oistros', meaning 'gadfly, vehement desire, or frenzy'. It entered Modern English in the late 19th century through scientific Latin to describe the recurring period of sexual receptivity and fertility in female mammals.

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