plural of peak vehicle requirement

(public transport) The number of vehicles required to operate the highest-frequency service on a route.

plural of peak flow meter

A peak in Mount Lawrence Grassi, Ehagay Nakoda, Canmore, Kananaskis, Alberta, Canada

(space science) A mountain peak, on a solid, non-luminous celestial body, which experiences continuous or near-continuous illumination due to a combination of high altitude, very high latitude, and being on a celestial body with very low axial tilt.

plural of peak of eternal light

(Mississippi) Sickly.

In terms of peaks.

Alternative spelling of peak flow meter

Sickly; peaked. / Characterised by peaks.