1
Core relationship
Before a stated time, event, or action.
Example
All equipment was calibrated prior to the experiment.
prior to
/ˈpraɪə tuː/ · PRY-ur tooearlier-time phrase
Before a stated time, event, or action.
Use prior to to express this relationship precisely: before a stated time, event, or action.
What prior to Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Noun-phrase frame
Use this expression in its normal grammatical frame so the relationship between the surrounding ideas remains explicit.
Example
The manuscript was revised shortly prior to publication.
3
Analytical use
It tells the reader how to interpret the timing, scope, evidence, contrast, condition, or consequence in the statement.
Example
Prior to the policy change, permits were issued locally.
Use prior to Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
All equipment was calibrated prior to the experiment.
The manuscript was revised shortly prior to publication.
Prior to the policy change, permits were issued locally.
Precision Matters
Prior to overlaps with several common words, but each carries a different emphasis.
prior to
vs.Means before a stated time, event, or action.
from then on
Means starting at a stated time and continuing after it.
prior to
vs.Means before a stated time, event, or action.
over time
Means as time passes, often through gradual or cumulative change.
prior to
vs.Means before a stated time, event, or action.
in the short term
Means during the near future or over a limited period.
prior to
vs.Means before a stated time, event, or action.
in the wake of
Means following an event, often as part of its aftermath or consequence.
Test prior to in Context
Registration happened before the data were examined.
1
The researchers registered their hypotheses ___ examining the outcome data.