This is the 5014th most frequent Portuguese word.
laboratorial
Relating to a laboratory.
Here, 'laboratoriais' functions as an adjective describing 'testes', indicating the relation to a laboratory.
Os testes laboratoriais ajudaram a identificar a causa do problema.
The laboratory tests helped identify the cause of the problem.
In this sentence, 'laboratorial' modifies 'ambiente', specifying that the environment is suitable for laboratory use.
Ele desenvolveu um ambiente laboratorial para realizar experimentos.
He created a laboratory environment to perform experiments.
Here, 'laboratorial' describes 'equipamento', referring to equipment used in laboratory settings.