| NOUN | act | tropism | an involuntary orienting response |
|---|
| Meaning | An involuntary orienting response; positive or negative reaction to a stimulus source. | |
|---|---|---|
| Narrower | ergotropism | An affinity for work |
| geotropism | An orienting response to gravity | |
| heliotropism | An orienting response to the sun | |
| meteortropism | An effect of climate on biological processes (as the effect on joint pains etc.) | |
| neurotropism | An affinity for neural tissues | |
| phototropism | An orienting response to light | |
| thermotropism | An orienting response to warmth | |
| trophotropism | An orienting response to food | |
| Broader | reaction, response | A bodily process occurring due to the effect of some antecedent stimulus or agent |
| Spanish | tropismo | |
| Catalan | tropisme | |
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