Definition, synonyms and related words
plural of phase
"The ancient sailors observed the phases of the moon as it moved through its lunar cycle."
plural of phasis
Third-person singular simple present indicative form of phase
"The moon phases change gradually over the course of a month."
In plain English: To phase something means to gradually remove it from use until it is completely gone.
"The team will phases in new safety protocols next month to avoid disrupting operations."