Vitamin A deficiency: Related Medical Conditions. To research the causes of Vitamin A deficiency, consider researching the causes of these these diseases that may be similar, or associated with Vitamin A deficiency:
Definition of push button. : a small button or knob that when pushed operates something especially by closing an electric circuit.
press verb (PUSH) âº [ I/T ] to push firmly against something that is fixed in position: [ T ] I pressed the volume button on the remote. [ I always + adv/prep ] The crowd pressed up against the doors. [ I always + adv/prep ] He pressed down hard on the accelerator, and the car shot ahead.