| 释义 |
head restraint
head restraint n (Automotive Engineering) an adjustable support for the head, attached to a car seat, to prevent the neck from being jolted backwards sharply in the event of a crash or sudden stop Thesaurus| Noun | 1. |  head restraint - a cushion attached to the top of the back of an automobile's seat to prevent whiplashheadrestcar seat - a seat in a carcushion - a soft bag filled with air or a mass of padding such as feathers or foam rubber etc. |
head process
head pro·cessthe primordium of the notochord.
See also: notochordal process. head processAn axial strand of cells in vertebrate embryos extending forward from the primitive knot. It forms a primitive axis about which the embryo differentiates. See also: processhead restraint
Synonyms for head restraintnoun a cushion attached to the top of the back of an automobile's seat to prevent whiplashSynonymsRelated Words |