nu

Meanings

Noun

• The letter of the Greek alphabet Ν and ν.
• A measure of constringence in lenses or prisms.

Interjection

• An exclamation of surprise, emphasis, doubt, etc.

Adjective

• new

Origin

• From Ancient Greek νῦ, name for the letter of the Greek alphabet Ν and ν.
• Borrowed from Yiddish נו.
• Phonetic respelling of new.