nematogen
/ˈnɛmətədʒ(ə)n/ /ˈnimətədʒ(ə)n/ /nəˈmatədʒ(ə)n/noun
1 Zoology. In certain mesozoans: an adult form that can reproduce asexually via a vermiform larval stage or give rise to the sexual adult form (rhombogen).
2 Physical Chemical A substance which can under certain conditions behave as a nematic liquid crystal.
Origin
Late 19th century. From nemato- + -gen.