CHIASMA


Meaning of CHIASMA in English

transcription, транскрипция: [ kī-ˈaz-mə, kē- ]

noun

( plural chi·as·ma·ta -mə-tə)

Etymology: New Latin, X-shaped configuration, from Greek, crosspiece, from chiazein to mark with a chi, from chi (x)

Date: 1839

1. : an anatomical intersection or decussation — compare optic chiasma

2. : a cross-shaped configuration of paired chromatids visible in the diplotene stage of meiotic prophase and considered the cytological equivalent of genetic crossing-over

• chi·as·mat·ic ˌkī-əz-ˈma-tik, ˌkē- adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.