synapsis

noun

syn·​ap·​sis sə-ˈnap-səs How to pronounce synapsis (audio)
plural synapses sə-ˈnap-ˌsēz How to pronounce synapsis (audio)
: the association of homologous chromosomes that is characteristic of the first meiotic prophase

Word History

Etymology

New Latin

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of synapsis was in 1895

Dictionary Entries Near synapsis

Cite this Entry

“Synapsis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/synapsis. Accessed 13 Apr. 2024.

Kids Definition

synapsis

noun
syn·​ap·​sis sə-ˈnap-səs How to pronounce synapsis (audio)
plural synapses -ˌsēz How to pronounce synapsis (audio)
: the pairing of homologous chromosomes that occurs in prophase of the first meiotic division and during which crossing-over may occur

Medical Definition

synapsis

noun
syn·​ap·​sis sə-ˈnap-səs How to pronounce synapsis (audio)
plural synapses -ˌsēz How to pronounce synapsis (audio)
: the association of homologous chromosomes with chiasma formation that is characteristic of the first meiotic prophase and is held to be the mechanism for genetic crossing-over
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