orthogonal trajectory
Geometry
noun
A curve intersecting each of a family of curves at right angles.
Origin
Early 19th century.
- empty-eyed
- empty-handed
- empty-headed
- empty-headedness
- empty-hearted
- empty nester
- empty net
- empty-netter
- empty-pated
- empty promise
- Empty Quarter
- empty-skulled
- empty suit
- empty vessels make most noise (or sound)
- empty word
- empurple
- empusa
- empyema
- empyematic
- empyematous
- empyemic
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- empyrean
- empyreum
- empyreuma