base

base1 [ beıs ] noun count ***

▸ 1 lowest part of something

▸ 2 place where something is done

▸ 3 ideas etc. to start from

▸ 4 people/businesses

▸ 5 in baseball

▸ 6 main food/substance

▸ 7 chemical

▸ 8 number

▸ + PHRASES

1. ) the bottom part, edge, or surface of something:

a tall cliff, with a narrow footpath at its base

base of: The pituitary gland is at the base of the brain.

The manufacturer's name is printed on the base of the vase.

a ) the bottom part or section of something, that supports the rest of it:

The statue stands on a large round base.

base of: The base of the castle is solid rock.

2. ) a place from which an activity can be planned, started, or carried out:

base for: Terrorists had been using the warehouse as a base for their operations.

Hikers find this a convenient base for their mountain expeditions.

a ) a place where members of the military live and work:

a U.S. naval base

3. ) a set of ideas, facts, achievements, etc. from which something can develop:

Income from magazine publishing provides the company with a strong financial base.

base for: The report will give us a base for building a better healthcare system.

base of: a broad base of experience/knowledge/expertise

4. ) a group of people who use a particular service or do a particular job:

They have built a loyal customer base.

a ) a group of people who support someone or something, for example with money or votes:

He has a large base of support within the party.

b ) a group of businesses or industries that form an important part of an economy:

Britain's manufacturing base was weak and deteriorating.

5. ) one of the four places on a baseball field that a player must touch in order to score points

=> FIRST BASE

6. ) a food or substance that is the main food or substance to which other things are added:

Use the stock as a base for your sauce.

paint with a water base

7. ) SCIENCE a chemical substance that reacts with an acid to form a SALT

8. ) TECHNICAL a number that is used to form a system of counting. The usual system of counting uses base 10, and the BINARY SYSTEM used in computers uses base 2.

off base AMERICAN INFORMAL

not right or accurate:

A Ford spokesman says that the company's critics are way off base.

touch base

to communicate with someone that you have not seen for some time in order to find out how they are, what is happening, etc.

=> COVER1

base

base 2 [ beıs ] verb transitive often passive ***

to have somewhere as your main office or place of work, or the place where you live:

Where are you based now?

a Geneva-based aid agency

base something in: Our parent company is based in Osaka.

We decided to base our training operations in the New York office.

`base on phrasal verb transitive usually passive base something on something

1. ) to use particular ideas or facts to make a decision, do a calculation, or develop a theory:

The prosecution's case is based largely on evidence from ex-members of the gang.

Prices are based on two people sharing a room.

2. ) to use something as a model for a movie, piece of writing, or work of art:

He bases his designs on Roman mosaics.

The movie is based on a true story.

base

base 3 [ beıs ] adjective LITERARY

without any moral principles: WICKED