a. [f. ADJUST + -ABLE.] Capable of being adjusted.
1775. Maskelyne, in Phil. Trans., LXV. 500. Which wanted nothing to make it an excellent instrument but to have the plumb-line made adjustable.
1795. Sir W. Herschel, in Phil. Trans., LXXXV. 388. The plate on the west is fixed, but that on the east is adjustable.
1832. Babbage, Econ. Manuf., 27. The opening of the valve … being adjustable at the will of the engine-man.
1851–9. Sir J. Herschel, in Man. Sci. Enq., 126. The lower level [of the mercury] in the cistern is adjustable to contact with a steel or ivory fiducial point.
