Dictionary

suprachiasmatic en · ADJ

Pronunciation

• /ˌsuːpɹəkʌɪəzˈmatɪk/ (UK)

Etymology

Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Proto-Italic *superos Proto-Italic *superād Old Latin suprād Latin suprā Latin supra-lbor. English supra- Ancient Greek χῖ (khî) Ancient Greek -ᾰ́ζω (-ắzō) Ancient Greek χῑᾰ́ζω (khīắzō) Proto-Indo-European *-mn̥ Proto-Hellenic *-mə Ancient Greek -μᾰ (-mă) Ancient Greek χῑ́ασμα (khī́asma)der. New Latin chiasmader. English chiasma Ancient Greek -τῐς (-tĭs) Ancient Greek -σῐς (-sĭs) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) ? Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τος (-tos) ▲ Ancient Greek -κός (-kós) ? Ancient Greek -τῐκός (-tĭkós)bor. English -tic English chiasmatic English suprachiasmatic From supra- + chiasmatic.

Meanings

1. (not-comparable) Situated above the optic chiasm; specifically, designating a nucleus or region in the paraventricular region of the hypothalamus.
   • When I tell you that the suprachiasmatic nucleus is composed of 20,000 brain cells, or neurons, you might assume it is enormous, consuming a vast amount of your cranial space, but actually it is tiny. 2017, Matthew Walker, Why We Sleep, Penguin, published 2018, page 18:

Forms

Translations (3)

nl suprachiasmatisch (situated above the optic chasm) · fr suprachiasmatique (situated above the optic chasm) · fi suprakiasmaattinen (situated above the optic chasm)