Dynamical oceanography is a subfield of oceanography that focuses on understanding the physical processes that govern the motion of ocean waters. (Porvaznik M (2023) The Role of Dynamics of Oceanography in Climate Change. J Oceanogr Mar Res. 11: 257.)
A semiconductor is a material with electrical conductivity between that of a conductor and an insulator. (Tatum, Jeremy. 2016. "Resistance and Temperature". LibreTexts.)
MERS-CoV is a zoonotic virus, which means it is a virus that is transmitted between animals and people. MERS-CoV has been identified in dromedaries in several countries in the Middle East, Africa and South Asia. Middle East respiratory syndrome (MERS) is a viral respiratory disease caused by a novel coronavirus (Middle East respiratory syndrome coronavirus, or MERS‐CoV). (https://www.who.int/news-room/fact-sheets/detail/middle-east-respiratory-syndrome-coronavirus-(mers-cov))
Pastoral land is land used by pastoralists and shepherds for grazing livestock. (Multilingual thesaurus on land tenure (English version)
ISBN 92-5-104283-7
http://www.fao.org/3/a-x2038e.pdf)
These are markets directly serving consumers and are found in main urban areas, such as provincial, town and city centres. (http://www.fao.org/3/x4026e/x4026e03.htm)