Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye extracted from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria. (Wikipedia. Indigo dye. https://en.wikipedia.org/wiki/Indigo_dye)
Development economics is a branch of economics which deals with economic aspects of the development process in low income countries. (https://en.wikipedia.org/wiki/Development_economics)
A concrete pond is a type of artificial pond or tank constructed using concrete material. (Udu, Augustine & , Okochukwu & Aguebor, Stephine & Omini, Grace & Agbugba, Ikechi. (2024). Cost-Benefit Analysis of Earthen Ponds against Concrete Tanks Production System in Fish Farming in Abuja FCT, Nigeria. 8. 59-72. 10.59573/emsj.8(1).2024.7.)
Dry product, water soluble, obtained exclusively from roasted coffee by physical methods using water as the only transport agent non-derived from coffee. (International Organization for Standardization. ISO 3509:2005. Coffee and coffee products. https://www.iso.org/obp/ui/en/#iso:std:iso:3509:ed-4:v1:en)
The organization and network of courts and other institutions, procedures and customs, officers and other personnel concerned with interpretation and enforcement of a country's law or with advice and assistance in matters pertaining to those laws. (GEMET)
One of several alternating columns of rising and descending water produced when a layer of relatively colder, fresher water is overlain by a relatively warm denser, saltier layer. (https://en.wikipedia.org/wiki/Salt_fingering)
The early life stages (eggs and larvae) of marine fishes are referred to as ichthyoplankton. (A guide to the eggs and larvae of 100 common Western Mediterranean Sea bony fish species, FAO, 2017 (http://www.fao.org/3/a-i7708e.pdf))
The weight of the water displaced by a floating vessel, it is the product of the volume underwater and the density of the water. (Thermes, S., Van Anrooy, R., Gudmundsson, A. & Davy, D. 2023. Classification and definition of fishing vessel types. Second edition. FAO Fisheries and Aquaculture Technical Paper, No. 267. Rome, FAO. https://doi.org/10.4060/cc7468en)