🇫🇷French Source WordCode: FR

sinus

Pronunciation / Transliteration: si-nus

🇬🇧 Direct English Meaning:
Sinus/ˈsaɪ.nəs/
nounCEFR B2 (Upper)Top #1500 frequency
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🇫🇷 Example Sentence in French:

"Le médecin a expliqué que les sinus peuvent être enflammés."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A cavity or hollow space within a solid object, particularly in anatomy.

    "The doctor explained that the sinus cavities can become inflamed during an infection."
  2. 2

    In mathematics, a function that relates the angle of a right triangle to the ratio of the length of the opposite side to the length of the hypotenuse.

    "To find the height of the triangle, you can use the sine function."

Thesaurus & Semantic Spectrum

Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'sinus' originates from Latin, meaning 'bay' or 'fold'. It was adopted into English in the late 14th century, primarily in medical contexts to describe anatomical cavities or spaces, reflecting its usage in both anatomical and mathematical terminology.

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