1890 C. Macmillan in 24 367 It is proposed to term the motion of twining plants—so far as that motion is the result of the specific irritability—dromotropism, and we can then speak of such twining shoots as dromotropic.
1902 XXXI. 733/2 The centrifugal cardiac nerves influence the frequency, the force of contraction, and the conductivity of the excitatory wave (chrono-, ino-, and dromo-tropism of Engelmann).