plural of vertical flute

(music) Any type of flute that is held vertically when played.

(Singapore, uncountable) A programme that aims to instill a sense of social cohesion in communities living in high-rise apartments through informal volunteerism.

(mathematics, algebra) a quadratic equation in the form y=a(x-h)²+k

plural of vertex form

(astronomy) A great circle on the celestial sphere, perpendicular to the horizon, that passes through the zenith and nadir

plural of vertex figure

(geometry) The figure exposed when a corner of a polyhedron or polytope is sliced off.

plural of vertical deflection

(surveying) A measure of how far the direction of the local gravity field has been shifted at a certain point on the Earth by local anomalies such as nearby mountains.