perceptible

Everyday

Able to be seen, heard, felt or noticed, even if only just. tree →

In the lessons

A formal word used in science and descriptions: «a barely perceptible sound», «a perceptible change in temperature». In science experiments pupils note whether changes are perceptible to the senses or need instruments to measure them.

Examples

• There was a barely perceptible smile on her face. tree →
• The change in temperature was hardly perceptible. tree →
• The sound was too quiet to be perceptible to humans, but the dog heard it. tree →
• There has been a perceptible improvement in your handwriting. tree →
• The earthquake was perceptible as a faint shake. tree →
• Without a microscope, the cells were not perceptible. tree →
• "No, no," answered his comrades, snuffing the air, in which the scent from the palace kitchen was now very perceptible. tree →

Note

Adjective. Opposite: imperceptible (too small to notice). Related: perceive, perception. Spelling: -ible, not -able. Often with «barely» or «just».