(Islam) The holy ninth month of the Islamic lunar calendar, during which Muslims fast between the break of dawn until sunset; they also refrain from drinking liquids, smoking and having sexual relations.

(US) A simple arbour or open porch, typically roofed with branches.

plural of ramada

(physics) the inelastic scattering of photons with subsequent change in frequency and phase; employed in Raman spectroscopy

(physics) the Raman effect

(analytical chemistry) A form of spectroscopy that uses the Raman effect to study low-frequency vibrational and rotational modes of molecules.

(physics) The differential Raman scattering of left and right circularly polarized light by chiral molecules.

(anatomy, dated) Of or pertaining to a ramus, or branching

An expression used during Ramadan to wish someone a happy time.

plural of Ramadan