sodium carbonate used as a laundry aid

Soda water flavoured with vanilla etc.

(Canada, US) carbonated water

(US, idiomatic, dated) A person who works at a soda fountain.

industrial-grade sodium carbonate

(chemistry) The sodium salt of acetic acid.

present participle of soak

Immersion in water; a drenching or dunking.

Extremely wet; saturated. / Of rain, heavy but slow enough to penetrate deeply into the top soil.

Of or characteristic of the philosopher Socrates or his philosophical methods and/or views.