Words similar to seven-day-old

Example sentences for: seven-day-old

How can you use “seven-day-old” in a sentence? Here are some example sentences to help you improve your vocabulary:

Complementary DNA's were generated from seven-day-old seedlings subjected to individual stress conditions.
At the end of the test, the average dry weight of surviving seven-day-old fathead minnows in control chambers must equal or exceed 0.25 mg.
In all three situations axenic, seven-day-old seedlings grown on agar were evaluated.