stimulus

3 ENTRIES FOUND:

stim·u·lus

noun \ˈstim-yə-ləs\
plural stim·u·li \-ˌlī, -ˌlē\

Definition of STIMULUS

1
2
: an agent (as an environmental change) that directly influences the activity of living protoplasm (as by exciting a sensory organ or evoking muscular contraction or glandular secretion) <a visual stimulus>

Seen & Heard

What made you want to look up stimulus? Please tell us where you read or heard it (including the quote, if possible).