Meanings

nuclear(-powered) ship (vessel)

fundamental (basic) principles

undiluted solution (of)

refined sake not diluted in water

spot (marketed) crude oil

Archimedes' principle

gram atom

Pauli exclusion principle

Fermat's principle

full-cost principle

Huygens' principle

cosmological principle

Polluter Pays Principle

rock dove (Columba livia)

acceleration principle

pleasure principle

base powder

prokaryotic cell

base powder

ocean