Phrases cover all the bases or less commonly cover every base or have (all) one's bases covered : to do or include everything that needs to be done or included : to fulfill all requirements or …

Bases are generally compounds that can neutralize an amount of acid. Both sodium carbonate and ammonia are bases, although neither of these substances contains OH−

Oct 18, 2025 · Examples of bases are the hydroxides of the alkali and alkaline earth metals (sodium, calcium, etc.) and the water solutions of ammonia or its organic derivatives (amines).

Bases are the plural noun referring to several foundations, substances, or central points, while basis is a singular noun meaning the main supporting principle for something.

Jun 19, 2021 · Get the definition of a base in chemistry. See examples of bases and learn about their properties and uses.

A team of commandoes got the hostages out from the rebel base. They radioed their base for help. The aircraft base is protected with specially designed shelters which are built to …

Sep 3, 2024 · Bases are substances that can accept hydrogen ions (protons) or donate a pair of valence electrons to form a bond. This definition has evolved over time, stemming from the …