[n. of action f. TREMULATE: see -ATION.] The action or condition of trembling; an instance of this, a trembling.
1651. Wittie, Primroses Pop. Err., III. xiii. 173. Hence do palsies, tremulations, and other evils arise.
1665. Hooke, Microgr., lviii. 219. I have often taken notice of the tremulation of the Trees and Bushes.
1718. Entertainer, No. 9. 67. Before most violent Eruptions of Mount Etna, they feel Convulsions and Tremulations in the Earth thereabout.
1880. H. A. A. Nicholls, in Nature, 19 Feb., 373/2. The resistance to the volcanic force was too small to cause much tremulation.