em·bry·on·ic 
/ˌɛmbriˈɑ:nɪk/ adjective
/ˌɛmbriˈɑ:nɪk/ adjective 1 : of or relating to an embryo
▪ human embryonic development ▪ embryonic tissue/cells 2 : in an early or undeveloped stage
▪ an embryonic plan ▪ The tourism industry there is still in/at an embryonic stage.
▪ human embryonic development ▪ embryonic tissue/cells
▪ an embryonic plan ▪ The tourism industry there is still in/at an embryonic stage.
