BASE | English Meaning, Definition, and Pronunciation

Middle English: from Old French, from Latin basis ‘base, pedestal’, from Greek

the lowest part or edge of something, especially the part on which it rests or is supported

lowest part or edge

• she sat down at the base of a tree

a conceptual structure or entity on which something draws or depends

thing that something depends on

• the town's economic base collapsed

a place used as a centre of operations by the armed forces or others; a headquarters

headquarters

• he headed back to base

a main or important element or ingredient to which other things are added

main element

• soaps with a vegetable oil base

a substance capable of reacting with an acid to form a salt and water, or (more broadly) of accepting or neutralizing hydrogen ions.

substance that reacts with acid

the middle part of a bipolar transistor, separating the emitter from the collector.

part of transistor

the root or stem of a word or a derivative.

stem of word

a number used as the basis of a numeration scale.

number as basis of scale

each of the four stations that must be reached in turn to score a run.

place run to in baseball

use (something specified) as the foundation or starting point for something

use starting point for

• the film is based on a novel by Pat Conroy
• entitlement will be based on income

situate at a specified place as the centre of operations

situate at base

• the Science Policy Review Unit is based at the University of Sussex
• a London-based band