preclinical test vs preclinical trial

preclinical test and preclinical trial both are nouns.

Word	Noun	Adjective	Verb	Adverb
preclinical test	Yes	No	No	No
preclinical trial	Yes	No	No	No

As nouns, preclinical test and preclinical trial are synonyms defined as:

preclinical test and preclinical trial: a laboratory test of a new drug or a new invasive medical device on animal subjects; conducted to gather evidence justifying a clinical trial

Other synonyms of preclinical test include preclinical phase.

preclinical test (noun)	preclinical trial (noun)
a laboratory test of a new drug or a new invasive medical device on animal subjects; conducted to gather evidence justifying a clinical trial	a laboratory test of a new drug or a new invasive medical device on animal subjects; conducted to gather evidence justifying a clinical trial