change·up 
(chānjŭp′)
(chānjŭp′)n.
Baseball
Baseball
A pitch thrown with the arm motion of a fastball but traveling at a slower speed so as to cause the batter to swing prematurely.
[Alteration of change-of-pace.]
- prematureness
- premature ventricular contraction
- prematurity
- premaxilla
- premaxillary
- premed
- premedical
- premeditate
- premeditation
- premeditative
- premeditator
- premenopausal
- premenstrual
- premenstrual dysphoric disorder
- premenstrually
- premenstrual syndrome
- premie
- premie
- premier
- premiere
- premiership
- premillenarian
- premillenarianism
- premillennial
- premillennialism