prokinesis
/ˌprəʊkʌɪˈniːsɪs/ /ˌprəʊkɪˈniːsɪs/Zoology
noun
A form of upper jaw mobility, found in some birds and lizards, in which the upper jaw may be raised relative to the neurocranium by rotation about a hinge at their junction, anterior to the eyes.
Origin
1960s. From pro- + kinesis, after prokinetic.
- flight control
- flight crew
- flight deck
- flight engineer
- flight envelope
- flight feather
- flightily
- flightiness
- flight jacket
- flightless
- flightlessness
- flight lieutenant
- flight line
- flight log
- flight number
- flight path
- flight plan
- flight recorder
- flight risk
- flightseeing
- flight sergeant
- flight simulator
- flight suit
- flight surgeon
- flight test