Verb
pre-bolus (third-person singular simple present pre-boluses, present participle pre-bolusing, simple past and past participle pre-bolused)
Alternative form of prebolus
A pre-bolus is simply a bolus of insulin given before it is actually needed to cover carbohydrates eaten. Source: Internet
Bolus timing Since the pump user is responsible to manually start a bolus, this provides an opportunity for the user to pre-bolus to improve upon the insulin pump's capability to prevent post-prandial hyperglycemia. Source: Internet