Learn how to say Orbitally correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word orbital:
relating to an orbit or orbits.
British (of a road) passing round the outside of a town.
1British an orbital road.
2 Physics each of the actual or potential patterns of electron density which may be formed in an atom or molecule by one or more electrons, and can be represented as a wave function.
mid 16th century (referring to the eye socket): probably from medieval Latin orbitalis, from Latin orbita (see orbit)