Word forms: bases
1. countable noun The base of something is its lowest edge or part. ⇒ There was a cycle path running along this side of the wall, right at its base. ⇒ Line the base and sides of a 20cm deep round cake tin with paper. 2. countable noun
The base of something is the lowest part of it, where it is attached to something else. [+ of] ⇒ The surgeon placed catheters through the veins and arteries near the base of the head.
3. countable noun [usu with poss] The base of an object such as a box or vase is the lower surface of it that touches the surface it rests on. [+ of] ⇒ Remove from the heat and plunge the base of the pan into a bowl of very cold water. 4. countable noun [oft n N] The base of an object that has several sections and that rests on a surface is the lower section of it. ⇒ The mattress is best on a solid bed base. ⇒ The clock stands on an oval marble base, enclosed by a glass dome. 5. countable noun A base is a layer of something which will have another layer added to it. ⇒ Spoon the mixture on to the biscuit base and cook in a pre-heated oven. ⇒ On many modern wooden boats, epoxy coatings will have been used as a base for varnishing. 6. countable noun [usu sing] A position or thing that is a base for something is one from which that thing can be developed or achieved. ⇒ The post will give him a powerful political base from which to challenge the Kremlin. ⇒ The family base was crucial to my development. 7. verb
If you base one thing on another thing, the first thing develops from the second thing. [V n + on/upon] ⇒ He based his conclusions on the evidence given by the captured prisoners.
adjective [+ on/upon] ⇒ Three of the new products are based on traditional herbal medicines. ⇒ The figures are based upon average market prices. 8. countable noun A company's client base or customer base is the group of regular clients or customers that the company gets most of its income from. [business] ⇒ The company has been expanding its customer base using trade magazine advertising. 9. countable noun
A military base is a place which part of the armed forces works from. ⇒ Gunfire was heard at an army base close to the airport. ⇒ ...a massive air base in eastern Saudi Arabia.
10. countable noun [usu poss N] Your base is the main place where you work, stay, or live. ⇒ For most of the spring and early summer her base was her home in Scotland. 11. countable noun [usu sing]
If a place is a base for a certain activity, the activity can be carried out at that place or from that place. ⇒ The two hotel-restaurants are attractive bases from which to explore southeast Tuscany. ⇒ Los Angeles was still my financial base. I was still doing business there.
12. countable noun
The base of a substance such as paint or food is the main ingredient of it, to which other substances can be added. ⇒ Drain off any excess marinade and use it as a base for a pouring sauce. ⇒ Oils may be mixed with a base oil and massaged into the skin.
13. countable noun A base is a system of counting and expressing numbers. The decimal system uses base 10, and the binary system uses base 2. 15. graded adjective Base behaviour is behaviour that is immoral or dishonest. [literary] ⇒ Love has the power to overcome the baser emotions.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers