prototype noun
ADJ. pre-production | working
VERB + PROTOTYPE build, develop | test
PROTOTYPE + NOUN stage The car is presently at the prototype stage.
PREP. ~ for The team is developing a prototype for a digital compact camera. | ~ of He is working on the prototype of a new type of ventilator.
You can also check other dicts: prototype (English, 中文解释 ), wordnet sense, Collins Definition