base

/baz/
1. General
nounfeminine

foundation; bottom part of a structure or object

La base de cette tour est très solide.

The foundation of this tower is very solid.

Synonyms:fondation, socle, assise
2. General
nounfeminine

the basics; fundamental principles or essential knowledge

Connaître la base du sujet est indispensable pour avancer.

Knowing the basics of the subject is essential to move forward.

Synonyms:notions de base, fondamentaux, essentiel
3. General
nounfeminine

installation or site used as an operational centre (e.g., military, research, logistical base)

L'armée a installé une nouvelle base près de la côte.

The army has set up a new base near the coast.

Synonyms:camp, site, implantation
4. General
nounfeminine

base (chemistry): a substance that can accept protons or donate electron pairs; opposite of an acid

Cette solution est une base et neutralise les acides.

This solution is a base and neutralizes acids.

Synonyms:alcali
5. General
nounfeminine

database; dataset (informal short form for 'base de données')

J'ai ajouté tous les contacts dans la base de données.

I added all the contacts to the database.

Synonyms:base de données, fichier