"still embryonic" is a correct and usable phrase in written English.
It means something is still in an early or undeveloped stage. You can use this phrase when describing something that is not fully formed or mature yet, but is still in the process of developing. It can also be used to describe something that is still in its early stages and has potential for further growth or development. Example: The idea for a new division in the company is still embryonic, but our team is excited to see it continue to evolve and grow.
And they think the market is still embryonic.
The same is true of most of South-East Asia's poorer countries, where the welfare state is still embryonic.
The developers, unprepared for the outcry, were thrown into disarray, trying to defend a plan that was still embryonic.
Attempts to make a tourist industry out of the fact that the delta was the birthplace of the blues are still embryonic.
The governors of Baja California and Sonora, another border state, are backing two more terminals, but those plans are still embryonic.
Build more and better 'hotspots' The "hotspot" approach, still embryonic at this stage, piles together all the relevant EU agencies and NGOs in one place, typically a Hungarian, Greek or Italian reception centre.
Should the House majority hold that vote hostage to its vision of the budget, it will throw the markets into turmoil and upend our still-embryonic recovery.
Such an apparently deliberate attack on a still-embryonic peace process that has created tensions within Afghanistan and between its neighbours is likely to tip the country further into political crisis.
While proponents say the Chinese manufacturers should be welcomed as an engine for creating more green jobs and speeding the adoption of renewable energy in this country, others see a threat to workers and profits in the still-embryonic American wind industry.
It's not only the aftermath of last January's earthquake that is troubling the still-embryonic democratic process in Haiti — although it's not easy to promote elections amid mass displacement and homelessness, to say nothing of all the electoral identification cards lost in goudou-goudou, the quake's onomatopoeic Creole nickname.
De Mistura has been pushing a still-embryonic plan for local cease-fires across Syria as a means of ending a conflict in its fourth year, with no resolution in sight.
