detectable
adj.adj. easy to notice or find using your senses or a special tool. You use this when something is strong enough to be seen, heard, or measured.
adj. capable of being discovered or noticed, especially through the use of instruments or sensory perception. Often follows a linking verb or modifies a noun related to physical presence.
The smell of smoke was barely detectable in the hallway.
Scientists found that the chemical levels in the water were barely detectable even with the most sensitive equipment.
The subtle shift in the patient's heart rate was only detectable through continuous monitoring, as it remained invisible to the naked eye during the initial examination.
From detect + -able.
Often used with adverbs of degree like 'barely', 'easily', or 'highly'.